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Top 8 Natural Supplements That Reduces Cortisol Levels

By EverFaith Aug 2, 2025

Medically reviewed by Medically reviewed by our experts

Medically reviewed by Medically reviewed by our experts

Medically reviewed by 11 min read

Medically reviewed by 11 citations

top 8 natural supplements that reduces cortisol levels
top 8 natural supplements that reduces cortisol levels

What is the best supplement to reduce cortisol when stress takes over your daily life? Cortisol, a hormone released by the adrenal glands, helps your body handle stressful situations. Yet when cortisol stays high for too long, it can lead to weight gain, poor sleep, and low energy levels.

Natural supplements may help bring cortisol back to healthy ranges. This article explores eight evidence-based options that potentially support your body’s stress response. Each supplement works differently to help manage cortisol levels and support overall health.

Key Article Findings

  1. High cortisol affects both physical and mental wellness over time
  2. Natural supplements such as Ashwagandha and Omega-3 fatty acids may help lower cortisol
  3. Managing cortisol levels supports stress management and long-term health

What Is Cortisol?

Cortisol serves as your body’s main stress hormone. The adrenal glands release it when you face challenging or stressful situations. This hormone triggers your “fight or flight” response, giving you the energy to handle immediate threats.

Short bursts of cortisol help you stay alert and focused. Problems arise when cortisol remains elevated day after day. Chronic high cortisol levels can weaken your immune system and disrupt your sleep patterns.

Extended periods of high cortisol often lead to unwanted weight gain, especially around the midsection. Your energy levels may drop throughout the day, leaving you exhausted yet unable to rest well at night. These effects compound over time, creating a cycle that impacts your overall health and daily functioning.

The Top 8 Natural Supplements to Reduce Cortisol

Ashwagandha

Ashwagandha stands out as one of the most researched adaptogens for cortisol management. This ancient herb helps your body adapt to stress by supporting the hypothalamic pituitary adrenal HPA axis. Studies show it may reduce cortisol levels by up to 30% in stressed adults.

Regular ashwagandha supplementation potentially supports adrenal health and promotes relaxation. Most people take 300-600mg daily, though individual needs vary. The herb works gradually, with many noticing improvements in their stress response after 6-8 weeks of consistent use.

Omega-3 Fatty Acids

Omega-3 fatty acids, found abundantly in fish oil and flaxseeds, play a vital role in managing cortisol production. These healthy fats reduce inflammation throughout the body, which often triggers excess cortisol release. Research indicates that omega-3 supplementation may lower cortisol levels during stressful situations.

Daily omega-3 intake supports both stress management and cardiovascular health. Most studies use doses between 1-3 grams per day for cortisol reduction. Fish oil supplements provide the most concentrated source, though plant-based options work well for those avoiding animal products.

Rhodiola Rosea

Rhodiola rosea functions as a powerful adaptogen that specifically targets fatigue caused by chronic stress. This mountain-grown herb helps regulate cortisol production while supporting healthy energy levels throughout the day. Research participants taking rhodiola often report feeling more resilient to daily stressors.

Studies suggest rhodiola may reduce cortisol levels within just one week of supplementation. The typical dose ranges from 200-400mg daily, taken in the morning. Many users notice improved mental clarity alongside better stress management when taking this supplement regularly.

Magnesium

Magnesium plays a fundamental role in regulating your body’s response to stress. This mineral helps calm the nervous system and supports healthy cortisol rhythms throughout the day. Low magnesium levels often correlate with elevated cortisol and increased stress sensitivity.

Supplementing with 200-400mg of magnesium daily may help normalize cortisol production. Magnesium glycinate or citrate forms absorb well and cause fewer digestive issues. Taking magnesium before bed potentially improves sleep quality while supporting overnight cortisol regulation.

Phosphatidylserine

Phosphatidylserine helps balance cortisol levels during high-stress situations by supporting healthy cell membrane function. This phospholipid compound naturally occurs in the brain and plays a role in stress hormone regulation. Supplementation may help blunt excessive cortisol spikes after intense physical or mental stress.

Research shows 100-300mg of phosphatidylserine daily potentially reduces cortisol by up to 30% in stressed individuals. Athletes often use this supplement to manage exercise-induced cortisol elevation. The effects typically become noticeable after 2-4 weeks of consistent supplementation.

Green Tea

Green tea contains powerful catechins that may help reduce cortisol levels naturally. The compound EGCG (epigallocatechin gallate) supports a healthy stress response while providing gentle, sustained energy. Unlike coffee, green tea rarely causes jittery feelings or cortisol spikes.

Drinking 2-3 cups of green tea daily provides stress-reducing benefits without disrupting sleep. Green tea extract supplements offer a more concentrated dose, typically 250-500mg per day. The combination of catechins and moderate caffeine content supports both mental clarity and cortisol balance.

L-Theanine

L-theanine, an amino acid abundant in green tea leaves, promotes relaxation without causing drowsiness. This compound crosses the blood-brain barrier and influences neurotransmitters that regulate stress and mood. 

Most people benefit from 100-200mg of L-theanine once or twice daily. The effects typically occur within 30-60 minutes of taking the supplement. Many find combining L-theanine with their morning routine helps maintain steady energy levels throughout the day.

Vitamin C

Vitamin C supports the adrenal glands in their production and regulation of cortisol. This essential nutrient helps your body respond appropriately to stress rather than overproducing cortisol. High-stress periods often deplete vitamin C stores, making supplementation particularly beneficial.

Daily doses of 500-1000mg of vitamin C may help maintain healthy cortisol rhythms. The vitamin also supports immune system function, which often suffers during periods of chronic stress. Time-released formulas provide steady support throughout the day for optimal cortisol management.

How Supplements Help Manage Cortisol Levels

The hypothalamic pituitary adrenal HPA axis controls how your body releases cortisol in response to stress. When this system works properly, cortisol rises briefly during challenges then returns to baseline. Chronic stress disrupts this balance, keeping cortisol elevated longer than necessary.

Natural supplements support the HPA axis in several ways. Adaptogens help your body adapt to stress without overproducing cortisol. Nutrients provide raw materials your adrenal glands need for healthy hormone production.

Some supplements work by calming the nervous system, reducing the signals that trigger cortisol release. Others support the breakdown and clearance of excess cortisol from your bloodstream. This multi-faceted approach helps restore balance to your stress response system over time.

Regular supplementation combined with best natural energy supplements can help maintain steady energy while managing cortisol levels effectively.

Lifestyle Factors That Support Lower Cortisol Levels

Sleep Hygiene

Quality sleep plays a vital role in regulating cortisol production throughout the night and into the next day. Your body naturally lowers cortisol in the evening to prepare for rest. Poor sleep disrupts this rhythm, leading to elevated morning cortisol and daytime fatigue.

Aiming for 7-9 hours of uninterrupted sleep helps normalize cortisol patterns. Create a consistent bedtime routine and keep your bedroom cool and dark. Avoiding screens for an hour before bed allows your natural cortisol decline to occur properly.

Exercise

Regular, moderate exercise helps lower cortisol levels and improves your body’s stress response over time. Activities such as walking, swimming, or gentle yoga provide benefits without triggering excessive cortisol release. The key lies in finding the right intensity for your fitness level.

Exercising for 30-45 minutes most days supports healthy cortisol rhythms. Morning workouts may help establish proper cortisol patterns for the entire day. Avoid intense training close to bedtime, as this can elevate cortisol when it should naturally decline.

Conclusion

Finding what is the best supplement to reduce cortisol depends on your individual needs and stress patterns. Natural options such as ashwagandha, omega-3 fatty acids, and magnesium offer research-backed support for managing cortisol levels. These supplements work best when combined with healthy lifestyle habits.

Start with one or two supplements and monitor how your body responds over several weeks. Consistency matters more than taking multiple supplements at once. By supporting your body’s natural stress response system, you can maintain healthier cortisol levels and improve your overall well-being for the long term.

What are the best supplements to reduce cortisol?

Ashwagandha, omega-3 fatty acids, rhodiola, and magnesium rank among the most effective supplements for cortisol reduction. Each works differently, so choosing depends on your specific needs and stress patterns. Most people see results within 4-8 weeks of consistent use.

Can Ashwagandha help reduce cortisol levels?

Yes, ashwagandha may significantly reduce cortisol levels in stressed individuals. Studies show reductions of 20-30% with daily doses of 300-600mg. This adaptogenic herb supports the adrenal glands and helps regulate the body’s stress response naturally.

How do Omega-3 fatty acids affect cortisol levels?

Omega-3 fatty acids help reduce inflammation that triggers excess cortisol production. Taking 1-3 grams daily may lower cortisol during stressful situations. Fish oil provides the most concentrated source, supporting both stress management and heart health.

Are there any side effects of taking cortisol-reducing supplements?

Most cortisol-reducing supplements are well-tolerated when taken as directed. Some people experience mild digestive upset initially. Start with lower doses and increase gradually. Always consult your healthcare provider before beginning new supplements.

How long does it take for supplements to lower cortisol levels?

Most supplements require 4-8 weeks of consistent use to noticeably impact cortisol levels. Some, such as L-theanine, provide immediate calming effects. Adaptogens typically work gradually, building your stress resilience over time. Patience and consistency yield the best results.

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