Biotin

Biotin, also known as vitamin B7, is a water-soluble B vitamin that plays a central role in the metabolism of fats, carbohydrates and proteins. It is widely recognised for its contribution to healthy hair growth, nail strength and skin condition. While biotin deficiency is uncommon, many people find that supplementing above the standard dietary intake supports noticeable improvements in hair thickness and nail resilience over time.

This collection includes standalone biotin supplements as well as combination formulas that pair biotin with complementary nutrients such as zinc, silica and collagen. Options range from standard capsule formats to gummies and liquid drops, making it easy to find something that fits your daily routine.

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The Good Vitamin CO. Good Biotin Skin Hair Nails 60 Soft-Chews.
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The Good Vitamin CO. Good Biotin Skin Hair Nails 60 Soft-Chews
Regular price $25.95 Sale price $22.99

Understanding Biotin and How It Works

Biotin supports the production of keratin, the structural protein that makes up hair, nails and the outer layer of skin. It also plays a role in energy metabolism, helping the body convert food into usable fuel. Because biotin is water-soluble, the body does not store it and regular intake through diet or supplementation is needed to maintain adequate levels.

How Much Biotin Do You Need

The adequate intake for adults is around 30 micrograms per day. Most biotin supplements are formulated at much higher doses, typically between 1000 and 10000 micrograms. Higher doses are generally considered safe as excess biotin is excreted in urine, but very high doses can interfere with certain lab tests including thyroid and cardiac biomarker panels. Let your doctor know if you are taking biotin before any blood tests.

Common Questions

How long does biotin take to work for hair growth?

Hair grows approximately one centimetre per month. Most people notice changes in hair texture and thickness after two to three months of consistent supplementation. Nail changes tend to appear sooner, often within four to six weeks. Results vary depending on the underlying cause of hair or nail concerns.

Can I take biotin while pregnant or breastfeeding?

Biotin is generally considered safe during pregnancy and breastfeeding at standard doses. Some prenatal vitamins include biotin. If you are pregnant, check with your midwife or GP before adding any new supplement to your routine.

Does biotin cause acne?

Some people report skin breakouts when taking high-dose biotin. This may be related to biotin competing with pantothenic acid (vitamin B5) for absorption. If you notice skin changes after starting biotin, consider reducing the dose or pairing it with a B5 supplement.

Related Categories

Hair, Skin and Nails for a broader range of beauty-focused supplements.
Zinc supports hair follicle health and works well alongside biotin.
Vitamin C is needed for collagen production which supports skin and nail structure.
Hair Treatment for topical options to complement your supplement routine.
Organic Ingredients for those who prefer certified organic supplement formulations.