9 Best Circadian Sleep Capsules of December 2025

• SLEEP SOUNDLY – Our formula delivers a nourishing combination of active milk peptides and a blend of aswagandha and amla fruit extracts to promote restful sleep patterns and a healthy response to stress without melatonin.
• SUPPORTS HEALTHY RESPONSE TO STRESS – Our sleep-friendly formula includes bioactive milk peptides to promote sleep and daytime performace. Plus, the added benefits of a proprietary blend of ashwagandha and amla fruit extracts to help ease day-to-day stress. Together, these nutrients offer potent cellular protection against free radicals, encouraging a healthy stress response.
• YOUTHFUL-LOOKING SKIN – Restful sleep and a healthy stress response are the corner stones to help maintain skin health. The nutrients in our formula have been shown to support quality sleep and a healthy stress response, and have powerful antioxidant properties that help keep skin youthful and healthy.
• INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
• LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Our formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy are achieved.

Life Extension

• SLEEP'S IMPACT ON THE BODY - Many of us have difficulty sleeping, but healthy, restful sleep is crucial to our overall health and well-being. Unfortunately, factors like stress and extended time in front of screens have a negative impact on our sleep. A lack of sleep can do more than just ruin your day. It can affect cognitive health, metabolic health, and more.
• ENCOURAGE HEALTHY SLEEP WITHOUT MELATONIN - There are plenty of sleep supplements that include either melatonin or milk peptides, but these ingredients don't agree with everyone. We've formulated this blend with lemon balm, honokiol and the chamomile compound apigenin. These scientifically studied ingredients target multiple sleep centers in your brain to help calm your mind and promote a restful night's sleep.
• TAKE BACK THE NIGHT – Helps promote a healthy sleep every night and is an excellent choice for those who don't want to take a hormone or dairy byproduct. So get the quality zzz your body needs with Herbal Sleep PM.
• INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
• LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Our formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy are achieved.

Life Extension

• PLANT-BASED: The first & only natural plant melatonin, all other melatonin is animal or synthetic
• JET LAG REMEDY: Realign the circadian rhythm and body clock to alleviate fatigue from traveling
• BETTER SLEEP: Supports sleep cycles, restful sleep and improved mental health
• SLOW RELEASE: Sustained release through the natural process of digestion
• NATURAL & PURE: Contains no magnesium stearate, silicon dioxide, fillers, flavors or excipients

Herbatonin

• PLANT-BASED MELATONIN: Bioidentical to human melatonin, the first natural melatonin supplement made from plants, all other melatonin is animal or synthetic.
• IMMUNE HEALTH: Emerging evidence has indicated that Herbatonin may have superior antioxidant power and impact on healthy inflammation vs. synthetic melatonin.*
• SLEEP: Our low dose melatonin (0.3mg or 300mcg - the amount your body produces each day) has been shown clinically to be the ideal dose for restful sleep cycles, is non-habit forming and supports a healthy circadian rhythm.*
• SLOW RELEASE & BIOAVAILABLE: Slow sustained-release to mirror the body through natural breakdown of the plant cell*
• CLEAN & PURE: Gluten, soy, wheat, corn and nut free and contains no chemicals, solvents, excipients and soon to be certified organic melatonin.

Herbatonin

• NATURALLY SUPPORTS THE SLEEP PROCESS WITH MELATONIN-3 – Designed to naturally promote restful sleep without a morning-after “hangover” by delivering a physiologically balanced level of Melatonin. Gently facilitates sleep without dependency or side effects. Regulates our body’s daily circadian rhythm (our internal 24-hour time-keeping system) that naturally determines when to fall asleep and wake up.
• SUPERIOR 100% PURE BIO-ACTIVE INGREDIENTS – Delivers 3 mg Melatonin, 60 mg Calcium and 60 mg Magnesium. CONTAINS NO Milk / Dairy-Free, Gluten-Free; NO soy, yeast, corn, wheat, sodium, salt, sugar, fat, cholesterol, color, preservative, common allergens or manufacturing additives.
• UNSURPASSED PURITY, QUALITY, & EFFICACY. WON’T UPSET YOUR STOMACH! – For 40+ years ProCaps products have contained NO additives of any kind. NO binders, fillers, lubricants, stabilizers, flowing agents, preservatives or artificial colors. Easy-to-swallow capsules (NO tablets) deliver only the MOST bioactive vitamins, minerals & ingredients in an ultra-fine micro-granulated powder for fast, complete absorption & maximum effectiveness. Non-acidic formula is gentle even on most sensitive stomachs.
• MANUFACTURER DIRECT & MADE IN USA – ProCaps formulates, manufactures, and packages ALL of its products in ProCaps’ own laboratory and manufacturing plant in Nevada, USA. Unlike other nutritional supplement brands that utilize contract manufacturers, ProCaps controls every aspect of its products – from formulation design to ingredient sourcing, production techniques, and quality control – making ProCaps’ supplements the purest, safest, and most effective all-natural supplements available.
• ETHICAL & ECO-FRIENDY. ZERO CARBON FOOTPRINT – Uniquely committed to your health and the health of the planet, ProCaps’ facilities are 100% Solar Powered with a Zero Carbon Footprint and an LEED GOLD green building status. ALL ProCaps bottles are made from 100% recyclable post-consumer resin. Plus, Andrew Lessman and ProCaps are the largest donor of prenatal vitamins in the world (over 1 billion capsules donated to date). ProCaps, the Informed Choice for Nutritional Supplements.

ANDREW LESSMAN

• SLEEP SOUNDLY – Melatonin promotes healthy sleep/wake patterns and encourages onset and quality of sleep, and fosters morning alertness and overall quality of life.
• SUPPORTS WHOLE BODY HEALTH – Melatonin helps support circadian rhythms and immune function, promote cellular and DNA health, as well as helps inhibit oxidative stress and protect mitochondria.
• WHAT IS MELATONIN? – Melatonin is a hormone derived from the amino acid tryptophan. It increases the speed of falling asleep and adds to quality of sleep and is released mostly at night to make falling asleep easier.
• INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
• LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Or formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.

Life Extension

• Melatonin: Promotes restful sleep patterns*
• Circadian Rhythms: Helps maintain normal circadian rhythms*
• Jet Lag: Provides a benefit for shift workers and travelers with jet lag*
• Also available in 3 mg capsules
• Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts). This product also contains no soy, dairy, yeast, shellfish, or fish.

Thorne Research

• PLANT BASED MELATONIN: Bioidentical to human melatonin, the first natural melatonin supplement made from plants - all other melatonin is animal or synthetic.
• IMMUNE HEALTH: Herbatonin has been shown to be more effective to synthetic melatonin when it comes to supporting normal inflammation and providing antioxidant support.*
• JET LAG & SHIFT WORK: 3mg melatonin to 5mg melatonin is the recommended dose for short term use to realign your body clock and the circadian rhythm.*
• SLOW RELEASE & BIOAVAILABILITY: Slow sustained release to mimic the body through natural breakdown of the plant.
• CLEAN & PURE: Gluten, soy, wheat, corn and nut free and contains no chemicals, solvents, excipients and soon to be certified organic melatonin!

Natural Health International

• SOUND SLEEP DOES THE BODY GOOD - Circadian Sleep combines melatonin with a novel citrus peel extract to encourage healthy function of both the central and peripheral circadian clocks. In this way, our innovative formula has a restorative approach that supports healthy sleep-wake patterns.
• WHAT ARE CIRCADIAN CLOCKS? - Your central circadian clock is how your brain helps maintain sleep-wake patterns, while your peripheral circadian clock governs essential biological processes like supporting already-healthy blood pressure, body temperature, liver and kidney function (and more). But factors like aging and hectic days can disrupt your circadian rhythms, leading to poor sleep. Our Circadian Sleep formula is designed to restore healthy circadian rhythms.
• NOURISHING SLEEP SUPPORT - Our formula combines melatonin and citrus peel extract. Together, these nutrients support proper sleep-wake cycles so that you get quality sleep—which is key to staying healthy from head-to-toe!
• INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
• LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Or formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.

Life Extension