Do biotin supplements actually work? The bottom line. There’s no strong evidence to support using biotin for hair growth or to prevent hair loss in people without a deficiency. Because hair thinning and poor hair growth are sometimes associated with a biotin deficiency, correcting a deficiency can help restore hair growth in some people.
How much biotin should you take for hair growth? 2-5 milligrams
Is biotin proven to help hair growth? Although high doses are unnecessary, it’s considered harmless if you take more than the RDA. Another consensus among the experts interviewed for this story is that there is not enough research to prove that biotin actually aids hair growth.
Does Biotin Vitamins Really Work
While biotin is added to some shampoos that claim to reduce hair loss, there is no evidence that this works. Consuming foods rich in healthy vitamins and minerals will help with overall hair health. The best natural sources of biotin are meat, eggs, fish, seeds, nuts, and vegetables.