VCVITAMINS/CHART

The Bottom Line

Use caution with Ashwagandha and Chamomile together: the ingredients or formulations need review, and limited research does not establish the safety of this exact pair.

VERDICT

Ashwagandha and Chamomile together require more care than a neutral matrix label suggests. Both can affect alertness, so additive drowsiness is a practical concern even though the exact combination has limited clinical study. Avoid alcohol, driving, and additional sleep medicines when assessing their effects; separating the doses does not guarantee normal alertness. The practical decision depends on the formulation, your medicines, and your response.

Use with caution Limited evidence
01 / MECHANISM

How They Interact

Ashwagandha contains withanolides and is studied for stress and sleep, although effects depend on the preparation. Chamomile contains plant flavonoids and is used for relaxation, although supplement benefits are not firmly established. These individual roles do not establish that Ashwagandha improves the absorption or effectiveness of Chamomile, or vice versa. Direct clinical evidence for this particular combination is limited. Both can affect alertness, so additive drowsiness is a practical concern even though the exact combination has limited clinical study. Avoid alcohol, driving, and additional sleep medicines when assessing their effects; separating the doses does not guarantee normal alertness.

02 / BEST PRACTICES

How To Take Them

Use a clearly labeled preparation and reassess whether it helps rather than continuing indefinitely. Check your response to chamomile before combining it with other relaxing products. There is no validated spacing interval that removes the concerns for this combination; reviewing the products and medicines is more useful than choosing an arbitrary time gap. If you miss a supplemental dose, resume the usual schedule instead of doubling the next dose; follow your prescriber's instructions for prescribed products.

03 / FORM MATTERS

Form & Quality Differences

Root-only and root-and-leaf extracts are not automatically interchangeable. A cup of chamomile tea and a concentrated chamomile extract are different exposures.

05

Practical Tips

06

Frequently Asked Questions

Who Should Be Careful Both can affect alertness, so additive drowsiness is a practical concern even though the exact combination has limited clinical study. Avoid alcohol, driving, and additional sleep medicines when assessing their effects; separating the doses does not guarantee normal alertness. Avoid ashwagandha during pregnancy and breastfeeding; thyroid disorders, autoimmune conditions, sedatives, and rare liver injury are important concerns. People allergic to ragweed or related plants may react to chamomile; warfarin and sedative use warrant review.
08

Sources & Further Reading

  1. NCCIH NCCIH — Ashwagandha
  2. NCCIH NCCIH — Chamomile
  3. NCCIH NCCIH — Using Dietary Supplements Wisely

Reviewed by Caroline M. on October 20, 2026 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.

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The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.

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