Women Over 50: Best Diets for Weight Loss
How much you need: 2.4 mcg is RDA for women over 50. Best sources: Vitamin B12 is found naturally in foods of animal origins, ...
7 Signs of Vitamin B12 Deficiency Every Runner Should Know
GI symptoms, including nausea and diarrhea. Having low levels of B12 can cause fewer red blood cells to reach your digestive ...