9 Best Natural Supplements to Reduce Cortisol

Cortisol is the body’s primary stress hormone, and when levels stay chronically elevated, it quietly drives some of the most common health complaints people struggle to explain. Produced by the adrenal glands as part of the hypothalamic-pituitary-adrenal (HPA) axis, cortisol helps regulate blood pressure, blood sugar, inflammation, energy production, and the fight-or-flight response.

While cortisol is necessary for daily function, chronically high cortisol levels can contribute to:

• Anxiety and feelings of overwhelm
• Difficulty falling asleep or staying asleep
• Persistent fatigue
• Elevated blood pressure
• Weight gain, particularly around the abdomen
• Brain fog and poor concentration
• Sugar cravings
• Reduced stress resilience
• Impaired immune function

Before turning to supplements, it is important to understand that healthy cortisol levels depend on sleep quality, nutrition, physical activity, and stress management. Supplements can support these efforts, but they cannot replace them.

Many natural supplements to lower cortisol contain adaptogens, amino acids, omega-3 fatty acids, and other nutrients that help support cortisol balance and a healthy stress response. Some ingredients promote relaxation and improve sleep quality, while others help reduce inflammation, support the nervous system, and regulate cortisol levels.

The supplements below were selected based on ingredient quality, available research, safety considerations, and practical application. When combined with healthy lifestyle habits, they support a healthier cortisol rhythm and long-term stress management.

1. Cortisol Manager by Integrative Therapeutics
2. Ashwagandha by Pure Encapsulations
3. Rhodiola Rosea by Pure Encapsulations
4. Organic Schisandra Extract by Herb Farm
5. Nordic Naturals Fish Oil
6. L-Theanine by Integrative Therapeutics
7. BIOHM Probiotic
8. Phosphatidylserine by Integrative Therapeutics
9. Magnesium Glycinate by Pure Encapsulations

1. Cortisol Manager by Integrative Therapeutics

Best overall cortisol management supplement for stress, sleep, and relaxation support

Cortisol Manager by Integrative Therapeutics is one of the best cortisol-reducing supplements because it combines several research-supported ingredients into a single formula. It contains ashwagandha, L-theanine, phosphatidylserine, and magnolia bark, which work together to support the hypothalamic-pituitary-adrenal (HPA) axis, promote relaxation, and help manage cortisol levels during periods of chronic stress.

The formula is particularly well-suited for individuals who experience anxiety, difficulty unwinding, poor sleep quality, or an overactive stress response. Unlike single-ingredient products, it provides broader cortisol support by targeting multiple pathways involved in stress hormone regulation and nervous system function.

Research supports several of its key ingredients. A randomized placebo-controlled study published in the Indian Journal of Psychological Medicine (Chandrasekhar et al., 2012) found that ashwagandha supplementation significantly reduced serum cortisol levels in chronically stressed adults. Studies on phosphatidylserine have also reported reductions in exercise-induced cortisol responses, making it one of the most comprehensive natural supplements currently available for lowering cortisol.

Key Benefits:

• Supports healthy cortisol levels and stress hormone balance
• Promotes relaxation and nervous system support
• Improves sleep quality and consistency
• Helps manage stress-related anxiety
• Combines multiple cortisol-lowering ingredients in one formula
• Supports a healthy cortisol rhythm throughout the day

2. Ashwagandha by Pure Encapsulations

Best standalone adaptogen for lowering cortisol and supporting stress resilience

Ashwagandha is one of the most researched adaptogens for managing stress and reducing high cortisol levels. Used for centuries in Ayurvedic medicine, this herb helps support the body’s stress response by promoting balance within the hypothalamic-pituitary-adrenal (HPA) axis. Pure Encapsulations Ashwagandha provides a simple formula with ashwagandha as the primary active ingredient, making it a suitable option for individuals who want to evaluate their response to this herb without additional ingredients.

Ashwagandha supports cortisol balance while promoting relaxation, mood, and sleep quality. A randomized, double-blind, placebo-controlled study published in Medicine (Lopresti et al., 2019) found that adults taking a standardized ashwagandha root extract for 60 days experienced a significant reduction in morning cortisol levels compared with the placebo group, alongside improvements in self-reported stress.

Key Benefits:

• Helps reduce high cortisol levels
• Supports a healthy stress response
• Promotes relaxation and calm
• Improves sleep quality
• Supports mood and emotional well-being
• Free from unnecessary additives and fillers

3. Rhodiola Rosea by Pure Encapsulations

Best for stress-related fatigue, focus, and mental performance

Rhodiola rosea is an adaptogenic herb commonly used to support individuals experiencing mental fatigue, reduced concentration, and low energy associated with chronic stress. Unlike some natural cortisol-lowering supplements that primarily promote relaxation, rhodiola is known for helping the body adapt to physical and psychological stress while supporting focus and cognitive performance.

Pure Encapsulations Rhodiola Rosea delivers a single-ingredient formula, making it easy to assess rhodiola’s effects without additional compounds. Research published in Phytomedicine (Darbinyan et al., 2000) found that participants taking rhodiola extract experienced significant improvements in mental performance and fatigue compared to the placebo group. Rhodiola has also been shown to support a balanced cortisol response to stress, making it a useful option for HPA axis support.

Rhodiola may be particularly beneficial for individuals who feel mentally drained, unmotivated, or fatigued during periods of prolonged stress.

Key Benefits:

• Supports stress resilience and adaptation
• Helps reduce stress-related fatigue
• Promotes focus and mental clarity
• Supports cognitive performance
• Helps manage cortisol response to stress
• Supports energy levels without excessive stimulation

4. Organic Schisandra Extract by Herb Farm

Best for athletes, recovery, and physical stress support

Schisandra is an adaptogenic berry used in traditional Chinese medicine to support the body’s response to physical and mental stress. It is particularly valued for its ability to promote endurance, recovery, and resilience during periods of intense training or demanding physical activity. Herb Farm Organic Schisandra Extract provides a concentrated liquid form that can be easily added to water, smoothies, or other beverages.

Unlike many cortisol-reducing supplements that focus primarily on relaxation, schisandra may help the body maintain performance while supporting healthy cortisol levels. A review published in the Journal of Ethnopharmacology (Panossian & Wikman, 2008) summarizing decades of Russian research on Schisandra chinensis describes its use as an adaptogen to improve physical work capacity and stress resilience, with evidence that it may help moderate the body’s stress-hormone response. These findings suggest schisandra may support both stress adaptation and recovery, though human trials in athletes specifically remain limited.

Key Benefits:

• Supports healthy cortisol levels during physical stress
• Promotes endurance and physical performance
• Helps improve recovery from physical stress
• Supports stress resilience and adaptation
• Provides antioxidant and anti-inflammatory support
• May help reduce the negative effects of chronic physical stress

5. Nordic Naturals Fish Oil

Best for inflammation, heart health, and whole-body stress support

Omega-3 fatty acids are among the most researched nutrients for supporting overall health and managing the effects of chronic stress. Nordic Naturals Fish Oil delivers high-quality EPA and DHA, two omega-3 fatty acids that help support brain function, cardiovascular health, and the balance of inflammation. Because chronic stress and high cortisol levels can contribute to systemic inflammation, omega-3 supplementation may play a supportive role in cortisol management.

Research published in Brain, Behavior, and Immunity (Kiecolt-Glaser et al., 2011) found that omega-3 supplementation reduced inflammatory markers by 14% and anxiety symptoms by 20% compared to the placebo group. Other studies have found that omega-3 fatty acids may help blunt the cortisol response to stressful situations, supporting a healthier stress response and improved resilience over time.

Nordic Naturals is also known for rigorous third-party testing and purity standards, making it a trusted option for individuals seeking a high-quality fish oil supplement.

Key Benefits:

• Supports healthy cortisol and stress responses
• Helps reduce inflammation throughout the body
• Promotes heart and cardiovascular health
• Supports brain function and cognitive performance
• May help improve mood and emotional well-being
• Provides research-supported omega-3 fatty acids

6. L-Theanine by Integrative Therapeutics

Best for relaxation, focus, and stress support without drowsiness

L-theanine is a naturally occurring amino acid found in green tea that is known for promoting a calm yet alert mental state. Unlike supplements that induce sedation, L-theanine helps support relaxation while maintaining focus and cognitive performance, making it a popular option for individuals experiencing stress, anxiety, or mental overwhelm.

Integrative Therapeutics L-Theanine provides a targeted dose of this amino acid to help support the nervous system and manage the body’s response to daily stressors. Research published in Biological Psychology (Kimura et al., 2007) found that L-theanine supplementation reduced both the subjective perception of stress and physiological stress responses, including heart rate and immune markers, following exposure to an acute cognitive stressor. Additional studies have linked L-theanine to improvements in relaxation, attention, and sleep quality.

Because it supports both calmness and concentration, L-theanine is often used during the day for stress management or in the evening to support relaxation before sleep.

Key Benefits:

• Helps reduce stress and anxiety
• Supports healthy cortisol levels
• Promotes relaxation without excessive drowsiness
• Improves focus and mental clarity
• Supports sleep quality and recovery
• Provides the calming benefits associated with green tea

7. BIOHM Probiotic

Best for gut health and gut-brain axis support

The connection between the gut and the brain plays an important role in stress, hormone, and emotional regulation. BIOHM Probiotic supports a balanced gut microbiome through a combination of probiotics and prebiotics, which help nourish beneficial bacteria and promote digestive health. Research suggests that gut health may influence cortisol levels, mood, and the body’s response to stress through the gut-brain axis.

A study published in Psychopharmacology (Schmidt et al., 2015) found that participants receiving B-GOS prebiotic supplementation showed decreased waking salivary cortisol reactivity compared to the placebo group, suggesting that prebiotic intake may modulate HPA axis activity and support stress hormone regulation. Improving gut health may provide meaningful support for individuals experiencing chronic stress and cortisol imbalance.

Key Benefits:

• Supports a healthy gut microbiome
• Promotes gut-brain axis communication
• May help support healthy cortisol levels
• Supports digestive and immune health
• Helps nourish beneficial gut bacteria
• Combines probiotics and prebiotics in a single formula

Prebiotic-rich foods include:

• Apples
• Bananas
• Garlic
• Onions
• Leeks
• Oats
• Flaxseeds
• Chicory root
• Jerusalem artichokes
• Dandelion greens
• Raw cacao
• Jicama root

Regularly including these foods in the diet can help feed beneficial gut bacteria, support gut-brain communication, and complement other natural supplements to lower cortisol.

8. Phosphatidylserine by Integrative Therapeutics

Best for exercise-induced stress and cortisol control

Phosphatidylserine is a fatty substance naturally found in cell membranes and is particularly important for brain and nervous system function. It plays a role in cellular communication and has been studied extensively for its ability to support cognitive performance and help regulate the body’s stress response. Integrative Therapeutics Phosphatidylserine provides a targeted option for individuals looking to manage elevated cortisol levels, particularly those associated with intense physical or mental stress.

A study published in the Journal of the International Society of Sports Nutrition (Starks et al., 2008) found that phosphatidylserine supplementation reduced cortisol concentrations by 39% compared with placebo following moderate-intensity exercise. Other studies have suggested benefits for recovery, mood, and cognitive function, making it a valuable addition to a cortisol management strategy.

Phosphatidylserine may be particularly beneficial for athletes, high performers, and individuals exposed to ongoing physical or psychological stress.

Key Benefits:

• Helps reduce exercise-induced cortisol responses
• Supports healthy stress hormone balance
• Promotes cognitive function and mental clarity
• Supports recovery from physical stress
• Helps maintain nervous system function
• Supports overall cortisol management

9. Magnesium Glycinate by Pure Encapsulations

Best for sleep, muscle tension, and nervous system support

Magnesium is an essential mineral involved in hundreds of processes in the body, including nervous system regulation, muscle relaxation, and the stress response. Chronic stress depletes magnesium, and low magnesium status, in turn, is associated with heightened stress reactivity, creating a cycle that can keep cortisol elevated. Pure Encapsulations Magnesium Glycinate uses the glycinate form, which is well absorbed and gentle on digestion, making it a practical option for daily use.

Magnesium supports a calmer nervous system by helping regulate the HPA axis and neurotransmitter activity involved in relaxation and sleep. A review published in Nutrients (Pickering et al., 2020) examined the relationship between magnesium status and stress, describing how adequate magnesium may help buffer the physiological stress response and how stress itself increases magnesium loss. Because of its role in relaxation and sleep quality, magnesium is often used in the evening to support recovery and a healthier overnight cortisol rhythm.

Key Benefits:

• Supports a calm, balanced nervous system
• May help support healthy cortisol regulation through HPA axis support
• Promotes muscle relaxation and reduced physical tension
• Improves sleep quality and overnight recovery
• Uses a well-absorbed, easy-on-the-stomach glycinate form
• Replenishes magnesium depleted by chronic stress

How Cortisol Supplements with Adaptogens Help?

Adaptogens and other cortisol management supplements support the body’s stress response by targeting multiple pathways involved in cortisol regulation, recovery, and stress resilience. Rather than targeting a single pathway, many ingredients work together to help regulate cortisol levels, support recovery, and improve stress resilience.

• Support HPA axis regulation: Adaptogens such as ashwagandha, rhodiola rosea, and schisandra help support the hypothalamic-pituitary-adrenal (HPA) axis, which controls cortisol production and the body’s response to stress.
• Reduce perceived stress: Ingredients such as ashwagandha, magnolia bark, and L-theanine may help reduce perceived stress and anxiety, supporting a calmer nervous system response.
• Improve sleep quality: Since cortisol and sleep are closely connected, ingredients that promote relaxation and sleep quality may help support a healthier cortisol rhythm and overnight recovery.
• Help manage inflammation: Omega-3 fatty acids and certain adaptogens may help reduce inflammation associated with chronic stress, supporting overall health and recovery.
• Support gut-brain communication: Probiotics and prebiotics help nourish beneficial gut bacteria, which can influence mood, stress resilience, and cortisol regulation through the gut-brain axis.

Together, these mechanisms help support healthy cortisol levels, improve the body’s ability to adapt to stress, and promote long-term stress management.

Why Cortisol Supplements are Just a Supplement?

Cortisol supplements work best as a complement to healthy lifestyle habits, not a standalone solution. While adaptogens, amino acids, omega-3 fatty acids, and probiotics may help support cortisol balance, they cannot offset chronic sleep deprivation, poor nutrition, excessive alcohol consumption, or ongoing unmanaged stress.

Long-term cortisol management depends on addressing the root causes of stress and supporting the body’s natural recovery processes. Sleep, nutrition, movement, and stress management have a far greater impact on cortisol balance than any supplement alone.

For the best results, pair natural cortisol-lowering supplements with:

• Consistent, high-quality sleep
• Regular physical activity
• A nutrient-dense diet rich in whole foods
• Stress management practices such as meditation or breathwork
• Strong social connections and emotional support
• Healthy work-life boundaries
• Adequate recovery from exercise and daily stressors

Individuals struggling with persistent stress, fatigue, weight gain, digestive issues, or sleep disturbances may benefit from personalized nutrition and lifestyle guidance. Professional support can help identify the factors contributing to cortisol imbalance and create a sustainable plan for long-term improvement.

How Do Cortisol-Reducing Supplements Work?

Cortisol-reducing supplements work by targeting the hormonal, neurological, inflammatory, and digestive pathways that drive chronic stress and elevated cortisol levels. No single ingredient covers all of these, which is why multi-ingredient formulas tend to offer the greatest benefit.

• Adaptogens regulate the stress response: Herbs such as ashwagandha, rhodiola rosea, schisandra, and magnolia bark help support the hypothalamic-pituitary-adrenal (HPA) axis, reducing the cortisol response to both physical and psychological stress.
• Amino acids promote relaxation: Ingredients such as L-theanine help calm the nervous system and may reduce perceived stress without causing excessive drowsiness.
• Omega-3 fatty acids help manage inflammation: Fish oil may help reduce inflammation associated with chronic stress while supporting brain and cardiovascular health.
• Probiotics and prebiotics support the gut-brain axis: A healthy gut microbiome may influence mood, stress resilience, and cortisol regulation through communication between the gut and brain.
• Phosphatidylserine helps blunt cortisol responses: Research suggests phosphatidylserine may help reduce cortisol elevations associated with intense physical and mental stress.

Together, these ingredients support cortisol balance, stress resilience, and recovery from the compounding effects of chronic stress.

What to Look for in a Cortisol-Reducing Supplement?

Choosing an effective cortisol-reducing supplement comes down to four factors, including clinically studied ingredients, transparent dosages, third-party testing, and formulations that match your specific health goals. Getting these right separates supplements that deliver measurable support from those that rely on underdosed or unverified ingredients.

When evaluating natural supplements to lower cortisol, look for:

• Clinically studied ingredients: Prioritize formulas containing ashwagandha, rhodiola rosea, L-theanine, phosphatidylserine, and omega-3 fatty acids, all of which have research supporting their role in cortisol and stress management.
• Transparent dosages, no proprietary blends: Avoid proprietary blends that obscure individual ingredient amounts. Clear labeling ensures you know exactly what you are taking and at what dose.
• Third-party tested for purity: Look for products verified by independent labs for purity and potency to confirm label accuracy and rule out contaminants.
• GMP-certification: Choose supplements manufactured under Good Manufacturing Practice standards, which ensure consistent quality control throughout production.
• Minimal additives: Avoid products with unnecessary fillers, artificial colors, or additives that do not contribute to the supplement’s intended purpose.
• Research-supported ingredient amounts: Confirm that ingredient dosages align with the amounts used in clinical studies rather than token inclusions that fall below effective thresholds.
• Suited to your specific needs: Match the supplement to your primary concern, whether that is better sleep, reduced anxiety, improved stress resilience, enhanced recovery, or gut-brain support.

Pick a supplement that matches your symptoms and wellness goals to support healthier cortisol levels and a more balanced stress response.

What are the Benefits of Taking Natural Cortisol-Reducing Supplements?

Natural cortisol-reducing supplements help improve stress resilience, sleep quality, mood, focus, and energy levels while supporting immune function, reducing inflammation, and improving recovery from physical and mental stress. They work best alongside healthy lifestyle habits rather than as a replacement for them.

• Reduces anxiety and improves overall mood: Several cortisol-reducing supplements have been shown to support lower perceived stress, improved mood, and reduced anxiety symptoms in stressed adults. Ingredients such as ashwagandha, magnolia bark, and L-theanine support the nervous system and help regulate the body’s stress response, contributing to greater emotional balance and stress resilience.
• Improves sleep quality and consistency: Healthy cortisol regulation supports normal sleep-wake cycles and contributes to more restorative sleep. Ingredients such as ashwagandha, magnolia bark, and L-theanine promote relaxation and support a healthier cortisol rhythm, helping improve sleep quality, recovery, and overall well-being.
• Lowers blood pressure naturally: Chronic stress and elevated cortisol levels are associated with increases in blood pressure and cardiovascular strain. Supporting a healthier stress response through cortisol-management supplements can complement heart-healthy habits and help maintain healthy blood pressure over time.
• Supports healthier weight management and reduces belly fat: Chronically high cortisol levels are associated with increased appetite, food cravings, and abdominal fat accumulation. Supporting cortisol balance may help improve stress-related eating behaviors and complement weight-management efforts when combined with a nutrient-dense diet and regular physical activity.
• Stabilizes energy levels throughout the day: A balanced cortisol rhythm plays an important role in maintaining consistent energy production throughout the day. Adaptogens such as rhodiola rosea and schisandra support the body’s ability to adapt to stress, helping reduce fatigue and promote more stable physical and mental energy.
• Strengthens immune function and resilience: Long-term stress can weaken immune function and reduce the body’s ability to recover from illness. By supporting healthy cortisol levels and stress management, ingredients such as omega-3 fatty acids, probiotics, and adaptogens help support immune resilience and overall health.
• Sharpens focus and mental clarity: Managing stress and supporting healthy cortisol levels contributes to improved concentration, mental clarity, and cognitive performance. Ingredients such as L-theanine, rhodiola rosea, phosphatidylserine, and omega-3 fatty acids support brain function while helping the body adapt to mental stress.
• Reduces chronic inflammation: Chronic stress is associated with increased inflammation, which can negatively affect long-term health. Omega-3 fatty acids and certain adaptogens help support a healthy inflammatory response, contributing to recovery, cardiovascular health, and overall wellness.
• Builds a more balanced stress response: One of the primary benefits of cortisol management supplements is that they support the body’s ability to respond to stress more effectively. Adaptogens support the hypothalamic-pituitary-adrenal (HPA) axis and help promote a healthier cortisol response, improving stress resilience and long-term well-being.

How to Choose the Best Natural Supplements to Reduce Cortisol?

To choose the best natural supplement to reduce cortisol, focus on your primary symptoms, select research-supported ingredients, and prioritize products that meet high-quality manufacturing standards. The most effective supplement is one that aligns with your specific needs rather than simply choosing the most popular option.

• Identify your primary concern: Ashwagandha, magnolia bark, and L-theanine are commonly used for stress, anxiety, and sleep support, while rhodiola rosea may be better suited for stress-related fatigue and low energy.
• Choose research-supported ingredients: Look for supplements containing clinically studied ingredients such as ashwagandha, rhodiola rosea, phosphatidylserine, omega-3 fatty acids, and L-theanine.
• Review product quality standards: Select supplements that provide transparent dosages, third-party testing, and manufacturing through GMP-certified facilities.
• Consider your overall lifestyle: Supplements work best when paired with adequate sleep, regular physical activity, stress management practices, and a nutrient-dense diet.
• Work with a qualified professional: A Registered Dietitian Nutritionist (RDN) can help identify potential contributors to cortisol imbalance and recommend a personalized nutrition, lifestyle, and supplement strategy based on your individual needs.

Taking a targeted approach can help ensure that the selected supplement aligns with both short-term symptoms and long-term health goals.

Frequently Asked Questions

 

What is the Best Supplement to Reduce Cortisol?

Cortisol Manager by Integrative Therapeutics stands out as the most comprehensive option, combining ashwagandha, magnolia bark, L-theanine, and phosphatidylserine in a single formula to support cortisol balance, stress management, relaxation, and sleep quality. That said, the best supplement depends on the individual’s symptoms and goals, and single-ingredient options such as ashwagandha or rhodiola rosea may be more appropriate for those looking to isolate a specific ingredient.

What Vitamins Help Lower Cortisol Levels?

Vitamin C, magnesium, and omega-3 fatty acids are among the most researched nutrients for supporting healthy cortisol regulation and the body’s response to stress. While vitamins alone do not eliminate high cortisol, they can complement other lifestyle and supplement strategies aimed at supporting a healthy stress response.

Are There Cortisol Supplements Without Ashwagandha?

Yes, several effective cortisol support supplements do not contain ashwagandha. Ingredients such as L-theanine, phosphatidylserine, omega-3 fish oil, probiotics, prebiotics, rhodiola rosea, and schisandra all support healthy cortisol levels through different mechanisms and are suitable alternatives for individuals who prefer to avoid or do not tolerate ashwagandha.

How Long Does it Take for Cortisol Supplements to Work?

Most cortisol supplements take 2 to 8 weeks to produce noticeable results, depending on the ingredients and individual factors. Fast-acting ingredients such as L-theanine may support relaxation within 1-2 hours, while other ingredients follow a longer timeline:

• Rhodiola and magnesium: 2 to 4 weeks, often targeting acute fatigue, sleep quality, and physical tension.
• Ashwagandha and probiotics: 4 to 8 weeks, working to modulate the HPA axis and build resilience against burnout.

For best results, cortisol-management supplements should be used consistently alongside healthy lifestyle habits, including quality sleep, regular physical activity, and stress-management practices.

What are the Best Supplements to Lower Cortisol in Women?

Ashwagandha, L-theanine, phosphatidylserine, omega-3 fatty acids, and probiotics are among the best supplements to lower cortisol in women, supporting stress management, sleep quality, nervous system function, and cortisol balance. The most effective approach combines targeted supplementation with nutrition and lifestyle changes suited to individual symptoms and health goals.

Does Ashwagandha Reduce Cortisol?

Yes, ashwagandha has been shown to help reduce cortisol levels by supporting the HPA axis and moderating the body’s response to chronic stress. It works by regulating the adrenal glands’ cortisol output, helping to blunt the hormonal spike triggered by ongoing physical and psychological stress. Regular use has also been associated with improvements in stress, anxiety, sleep quality, and overall stress resilience.

How Do You Lower Cortisol Levels Naturally?

Lowering cortisol naturally requires prioritizing sleep, regular physical activity, a nutrient-dense diet, strong social connections, and stress management practices such as meditation, breathwork, or mindfulness. Natural supplements may provide additional support, but lifestyle factors remain the foundation of long-term cortisol management.

What is the Best Over-the-Counter Cortisol Reducer?

Cortisol Manager by Integrative Therapeutics is among the most comprehensive over-the-counter options, combining ashwagandha, L-theanine, phosphatidylserine, and magnolia bark in a single formula designed to support cortisol balance, relaxation, and sleep quality. For individuals seeking a targeted single-ingredient approach, ashwagandha, L-theanine, and omega-3 fatty acids are among the most researched standalone options.