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How We Rate Ashwagandha Supplements

As of Aug 2026, Unbox Health has lab tested and rated 7 products in the Ashwagandha Supplements category.

We buy every product from the open market, with no brand involvement. Every product is tested at up to 3 NABL-accredited labs. Products are then rated D to A+, based on the following dimensions: their label accuracy, their toxicity and their nutritional profile (in the case of food products). All lab reports are published.

Read the full methodology for how we rate Ashwagandha Supplements here.

FREQUENTLY ASKED QUESTIONS

What is ashwagandha and what does it actually do?

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Ashwagandha (Withania somnifera) is a root herb used in Ayurveda for centuries, classified as an adaptogen. Research suggests it may help the body cope with stress, support sleep quality, and improve physical endurance. Its active compounds are withanolides, concentrated in the root. FSSAI regulations in India permit only root-based ashwagandha extracts in supplements sold here, not leaf preparations.

How should you take ashwagandha - with milk, water, or food?

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Ashwagandha can be taken with water, milk, or food. Taking it with milk is a traditional Ayurvedic preparation and may improve palatability; some studies suggest fat may support absorption of certain withanolides, though this has not been conclusively established in human trials. Taking it with food may reduce the chance of stomach upset, one of the more commonly reported side effects at higher doses.

Does ashwagandha cause hair loss?

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Current evidence does not establish a direct causal link between ashwagandha and hair loss. Some individuals report increased shedding after starting, which may relate to hormonal adjustments rather than direct follicle damage. Conversely, some research associates ashwagandha with reduced cortisol, which is linked to stress-related hair shedding, a common concern in India. If you notice unusual hair loss after starting, stop use and consult a dermatologist.

Is ashwagandha good for women?

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Ashwagandha may support women's health, with some studies suggesting it may help reduce stress, improve sleep, and support hormonal balance. However, it must be strictly avoided during pregnancy due to its traditional association with uterine-stimulating effects, and also during breastfeeding. Women with PCOS, hormone-sensitive conditions, or those on hormonal medications should consult a gynaecologist before starting. Most capsule-form products use plant-based shells, making them suitable for vegetarians.

Does ashwagandha actually increase testosterone?

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Some clinical studies suggest ashwagandha may support healthy testosterone levels in men, particularly those experiencing stress or physical fatigue, possibly through its effect on cortisol regulation. ICMR-NIN has not issued guidance on ashwagandha for testosterone support. Since these effects are linked to withanolide content, check Unbox Health's lab-tested data to verify whether the brand you are buying actually delivers declared withanolide levels.

When is the best time to take Ashwagandha - morning or night?

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There is no single best time; it depends on your goal. For stress management and daytime focus, taking it in the morning with food is practical. For sleep support, taking it 1 to 2 hours before bed may be more effective, as some research suggests ashwagandha may help support cortisol regulation at night. Consistency in timing matters more than the specific time chosen.

Will ashwagandha make you gain weight?

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Ashwagandha is not a weight-gain supplement and does not directly cause fat accumulation. Some users notice body composition changes over time, as research suggests it may support muscle recovery by reducing exercise-induced stress. Any weight gain experienced alongside ashwagandha supplementation is far more likely explained by diet and exercise habits than the supplement itself. If concerned, track overall caloric intake alongside supplementation.

How much ashwagandha should you take per day?

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ICMR-NIN has not established a specific daily intake recommendation for ashwagandha. Internationally, most clinical research has studied 300 to 600 mg per day of standardised root extract over 8 to 12 weeks. Higher doses have not consistently shown greater benefit and may increase the risk of side effects including nausea, stomach upset, or liver stress. Start at the lower end and follow the dosage printed on the product label.

What is KSM-66 ashwagandha, and is it actually better than regular ashwagandha?

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KSM-66 is a patented ashwagandha root extract standardised to 5% withanolides, evaluated in more human clinical trials than most other extracts. Regular ashwagandha powder naturally contains 0.3 to 3% withanolides. However, a label claiming KSM-66 does not guarantee the declared withanolide content is accurate. Check Unbox Health's lab-tested ratings to confirm whether declared withanolide levels in KSM-66 products actually match independently tested results before buying.

How do you know if an ashwagandha supplement actually has what the label claims?

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You cannot verify label accuracy from packaging alone. Ashwagandha supplement quality varies significantly across brands, with some products delivering withanolide content that may differ from declared levels. FSSAI requires manufacturers to use only permitted root extracts within safety limits, but this does not guarantee label accuracy. Unbox Health independently tests ashwagandha products and publishes lab-verified ratings, letting you compare which brands actually deliver declared content before you buy.

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Best Ashwagandha Supplements in India | Lab Test Ratings