Vitamin D, B12, iron and magnesium: spotting and testing deficiencies.
6 articles
Iron bisglycinate causes fewer stomach complaints than iron salts, but better absorption has only been measured in pregn...
Magnesium bisglycinate is gentle on your gut, but there is no evidence it is absorbed better than citrate. What the tria...
Zinc plays a role in your testosterone, but only with a deficiency. The nuance, how to spot a shortfall, and how to test...
B12 is needed for your red blood cells and your energy. How to spot a deficiency, how to test it, and how active B12 and...
Many athletes drop to a low vitamin D level in winter. How to spot a deficiency, how to measure it and how to adjust.
Which vitamins and minerals drive your recovery and performance, and which blood values reveal them? A data-driven guide...
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