Kasivit Ashwagandha Capsules with Black Pepper for stress relief in white and brown packaging
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Kasivit

Kasivit Ashwagandha Capsules with Black Pepper - 60 Count

KSM-66 Ashwagandha with Black Pepper — the most clinically studied Ashwagandha extract, standardized to 5% withanolides. 300mg per capsule for cortisol reduction, stress resilience, and sleep quality.

💊Take 2 capsules daily with food, preferably in the evening.
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👨‍⚕️ Evidence-Rated
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Gold Evidence Rating

Highest evidence tier · Primary claim backed by systematic reviews & meta-analyses.

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Every rated Kasivit supplement has passed our Evidence Review. Gold, Silver, and Bronze all meet our standard — the rating tells you the strength of the clinical research behind the primary claim, not whether the product is worth buying. We don’t list a Kasivit supplement unless it passes our review. View the Evidence Standard →

Why It Works

Key Benefits

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Adaptogenic Stress Relief
Ashwagandha (KSM-66® root extract) is clinically shown to reduce serum cortisol levels and perceived stress scores by modulating the HPA axis — your body's central stress response system.
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Strength & Recovery Support
Multiple RCTs show ashwagandha significantly improves muscle strength, size, and recovery in resistance-trained adults compared to placebo.
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Improves Sleep Quality
Ashwagandha promotes GABAergic activity, supporting deeper, more restorative sleep — particularly in people with stress-related insomnia.
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Energy Without Stimulants
Unlike caffeine, ashwagandha supports energy by reducing stress-driven fatigue and supporting mitochondrial function — no jitteriness or crash.
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Enhanced Absorption with Black Pepper
BioPerine® (black pepper extract) increases the bioavailability of ashwagandha's active withanolides by up to 30%.
✅This product is for you if…
You experience chronic stress or high cortisol symptoms (fatigue, anxiety, difficulty sleeping)
You want to support healthy testosterone levels and male vitality
You have difficulty recovering from exercise or physical exertion
You experience mild anxiety or low mood related to stress
You want adaptogenic support for energy and mental resilience without stimulants
⚠️Consult your healthcare provider if…
You are pregnant or nursing — consult your physician before use
You take prescription medications — consult your physician before adding any new supplement
You have a serious medical condition — always discuss supplement use with your healthcare provider
Formula

Ingredients & Dosages

Serving size: Take 2 capsules daily with food, preferably in the evening.

Ingredient Amount Per Serving Purpose
Ashwagandha Root Extract (KSM-66®, 5% Withanolides) 600 mg Adaptogenic stress reduction, cortisol modulation, strength and recovery support
Black Pepper Extract (BioPerine®, 95% Piperine) 5 mg Absorption enhancer — increases bioavailability of withanolides by up to 30%

† Daily Value not established. Other ingredients may include: microcrystalline cellulose, vegetable capsule (HPMC), magnesium stearate (vegetable source), silicon dioxide. Free from: gluten, dairy, soy, artificial colors and flavors.

Science

Clinical Evidence

Every Kasivit product is backed by peer-reviewed research. Here's what the science says.

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Ashwagandha root extract significantly reduced serum cortisol and stress scores in a double-blind RCT of 64 chronically stressed adults over 60 days
Chandrasekhar K et al. Indian J Psychol Med, 2012;34(3):255-262. ↗
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KSM-66 ashwagandha improved muscle strength, size, and recovery significantly compared to placebo over 8 weeks
Wankhede S et al. J Int Soc Sports Nutr, 2015;12:43. ↗
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Ashwagandha supplementation significantly improved sleep quality, mental alertness, and quality of life in adults with insomnia
Langade D et al. Cureus, 2019;11(9):e5797. ↗
👨‍⚕️ All studies referenced are peer-reviewed and published in indexed medical journals. This information is for educational purposes and does not constitute medical advice.

Kasivit Ashwagandha Capsules with Black Pepper offer a simple way to support your wellness. The bottle contains 60 ashwagandha capsules. Each serving is formulated to help maintain balance in daily life.

Ashwagandha is a natural herb with a long history of use. Many people use ashwagandha capsules to help cope with stress. They are easy to take and fit into any routine.

These ashwagandha capsules include black pepper to support better absorption. Each capsule is made with a pure extract, free from common fillers, artificial colors, and added preservatives.

Ingredients: Organic Ashwagandha (Withania somnifera)(root), Organic Black Pepper (Piper nigrum)(fruit), pullulan capsules.

Science behind this product

Ashwagandha for Vitality

Overweight men aged 40–70 years with mild fatigue were given a placebo or an ashwagandha extract for eight weeks. Source

Ashwagandha for Anxiety

Five studies concluded that ashwagandha intervention resulted in greater score improvements (significantly in most cases) than placebo in anxiety or stress scale outcomes. Source

Ashwagandha for Sleep

The study confirms that Ashwagandha root extract can improve sleep quality and help manage insomnia. Source

Ashwagandha for Mood

Administration of Ashwagandha (Noogandha) supplements daily improves physiological, cognitive, and psychological stress response over a 30-day period. Source

Manufacturer Country: USA | Amount: 60 caps | Gross Weight: 0.25lb (113g)

Suggested Use: Take two (2) capsules once a day as a dietary supplement. For best results, take 20-30 min before a meal with an 8oz glass of water or as directed by your healthcare professional.

Caution: Do not exceed recommended dose. Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

The Food and Drug Administration has not evaluated these statements. This product is not intended to diagnose, treat, cure or prevent any disease.

Questions

Frequently Asked Questions