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What is the RDA for B7?

There is no official recommended dietary allowance (RDA) for vitamin B7, also known as biotin. The adequate intakes (AI) for biotin are seven mcg. (micrograms) for infants 0-12 months; eight mcg. for children one to three years of age; 12 mcg.

What is the NRV for biotin?

50 µg Vitamins

Why is vitamin B7 called vitamin H?

Biotin is also called vitamin H (the H represents Haar und Haut, German words for "hair and skin") or vitamin B7. Studies on its bioavailability have been conducted in rats and in chicks. Based on these studies, biotin bioavailability may be low or variable, depending on the type of food being consumed.

What happens if you lack vitamin B7?

Nutritional Biotin Deficiency. Biotin deficiency is usually characterized by alopecia and scaly erythematous dermatitis distributed around the body orifices, acidemia, aciduria, hearing and vision problems, and developmental delay in children. Biotin deficiency may also cause paresthesias, myalgias, and mild depression …

Is biotin supplement necessary?

Biotin is necessary for formation of fatty acids and glucose, which are used as fuels by the body. It is also important for the metabolism of amino acids and carbohydrates. A lack of biotin is rare. However, if it occurs it may lead to skin rash, loss of hair, high blood levels of cholesterol, and heart problems.

What is the function of vitamin B9?

Vitamin B9, also called folate or folic acid, is one of 8 B vitamins. All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B-complex vitamins, also help the body use fats and protein.

What is the NRV for vitamin B12?

Dietary Reference Values