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For researchers concerned about muscle preservation during weight loss, several strategies can help regardless of which treatment is chosen
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Laboratory studies have demonstrated biological activity at concentrations as low as 0.01 nanomolar, showing measurable effects on fibroblast activity and collagen production even at these minute levels
But if you're on a medication that interferes with vitamin B12 absorption, a B12 prescribed supplement or injections of the vitamin may be needed to maintain a healthy level
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