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Vitamin B12, or cobalamin, is vital for maintaining healthy blood and nerve cells

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The increase in testosterone can promote the development of secondary sexual characteristics and, in conjunction with follicle-stimulating hormone (FSH), support spermatogenesis

Natural Food Sources of Vitamin B12 While supplementation is often necessary for those with deficiencies or absorption challenges, its also helpful to know where you can find B12 in your diet: Beef liver and organ meats Sardines and mackerel Clams and shellfish Eggs Milk, yogurt, and cheese Fortified cereals and plant-based milks (especially important for vegetarians and vegans) These foods are a great foundation, but if youre still struggling with symptoms, professional evaluation is key