← All supplements
Limited evidenceJoints & skin

Millet Seed Extract

A hair supplement ingredient always paired with L-cystine, biotin and pantothenic acid. The only published study was open-label with no placebo group, which is a serious problem for a condition where expectation strongly shapes results.

Where to buy

View on iHerb

Ships to 180+ countries · welcome discount for new customers

Referral link — this site may earn a commission on purchases.

What the science says

  • Hair density and shedding Limited evidence

    An open-label multicentre study in 112 people with light diffuse hair loss reported increased hair density, a higher anagen proportion and 59% less shedding after 12 weeks of a millet extract, pantothenic acid, L-cystine and biotin capsule. There was no placebo group, the comparison was against each subject's own baseline, and the sponsor was involved in the design and the decision to publish.

  • Millet extract alone Limited evidence

    No study has tested millet seed extract on its own. Any effect could equally come from the cystine, biotin or pantothenic acid in the same capsule.

  • Subjective outcomes Limited evidence

    Much of the reported benefit was hairdresser-rated appearance and subject satisfaction. These endpoints are highly susceptible to placebo effects in an unblinded design.

Dosage & safety

Studied doseTwo capsules per day of the combination product used in the study, taken for at least 12 weeks. Individual millet extract doses are not standardised across brands.
SafetyWell tolerated in the published study. Biotin at supplemental doses interferes with several laboratory immunoassays, including troponin and thyroid tests, and can produce dangerously misleading results — tell your doctor if you take it, and stop several days before blood tests. Persistent hair loss deserves a medical workup.

How to take it

TimingTiming does not matter.
With food?Take it with food.
Worth knowingGive it a full 12 weeks — hair growth cycles mean nothing visible happens before then — and get persistent hair loss medically assessed rather than self-treating.

Interactions

With medications

  • biotin-based laboratory immunoassays (troponin, TSH, thyroid and hormone panels)

    Supplemental biotin, which these hair formulas contain, distorts streptavidin-biotin immunoassays and has produced falsely normal troponin and falsely abnormal thyroid results. tell your doctor you take it and stop at least 3 days before blood tests

Well-established interactions only — this is not a complete list. Always tell your doctor and pharmacist what you take.

Frequently asked questions

Does millet seed extract work for hair loss?

The evidence is limited: the only study was open-label with no placebo group and reported less shedding and more density after 12 weeks of a combination capsule. Because the capsule also contained L-cystine, biotin and pantothenic acid, the effect cannot be credited to millet extract.

How long should I take millet extract for hair?

The millet extract combination product was studied at two capsules per day for at least 12 weeks. Hair growth cycles mean nothing visible happens before then.

Can millet hair supplements affect blood tests?

Yes: millet seed hair formulas contain biotin, which distorts troponin, thyroid and hormone immunoassays and can give dangerously misleading results. Tell your doctor you take it and stop at least 3 days before blood tests.

Did the millet seed extract study show 59% less hair shedding?

An open-label study of 112 people reported 59% less shedding with a millet extract, pantothenic acid, L-cystine and biotin capsule. There was no placebo group and much of the benefit was subjectively rated, so this figure is weak evidence.

Scientific references

Related in Joints & skin