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VITAMINS

Biotin

Biotin is a B vitamin that supports healthy hair, skin and nails and normal energy metabolism.

Also known as: vitamin B7, vitamin H, vitamin B-7

Who should be careful

Our safety rules leave biotin out of a formula, or keep the amount lower, with:

Life stage

• Pregnancy
• Breastfeeding
• Trying to conceive

Always check with your doctor or pharmacist before adding a supplement if you take medication, are pregnant or nursing, or have a health condition. Stay under the upper limit from all sources combined, including multivitamins.

From the Journal

• Which blood tests should you check before taking supplements?

  The blood tests that can usefully guide supplements, what each one can and can't tell you, and when to recheck after you change what you take.

Questions

How much biotin a day?

apiece formulas usually include 1,000 mcg a day. The recommended intake for adults is 30 mcg (adequate intake). Upper limit: No established UL.

What is biotin used for?

Biotin is a B vitamin that supports healthy hair, skin and nails and normal energy metabolism. In apiece it is part of formulas for Skin health.*

Who should be careful with biotin?

apiece’s safety rules leave it out or limit it with: Pregnancy; Breastfeeding; Trying to conceive. Check with your doctor or pharmacist if any apply to you.

Can I get biotin in a personalized supplement?

Yes. apiece builds one daily blend around your goals and, if you have them, your lab results. Biotin can be part of it at the amount listed, with every ingredient shown and never more than 10 capsules a day.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is general information, not medical advice. Check with your doctor or pharmacist before starting a supplement, especially if you take medication, are pregnant or nursing, or have a health condition. Updated 2026-10-21.