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Risk Factors and Comorbidities Associated With Vitamin B12 Deficiency
Defined composition: Fixed amounts of each component to simplify comparative and combination studies
Your genes largely determine how much melanin you produce, but sun exposure, hormones, and inflammation can also increase production and create darker spots or uneven tone
J.CarrerasA.Rodrguez-SerranoM.EstebanF
Other factors are most likely involved, such as a protective effect of Gln on the epithelial barrier
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