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For example, oral vitamins have varying degrees of bioavailability because they must make their way through your digestive system before your body can absorb the nutrients

During clinical trials, it proved to reduce body weight by 1015%, making it effective

This upper limit specifically applies to magnesium from supplements and does not include magnesium naturally present in foods, which is generally well-tolerated even in large amounts

Vitamin B7 (biotin) deficiency is associated with hair loss and brittle nails, but more research is needed to understand the possible benefits of B vitamins on hair, skin, and nails

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