How to choose the best vitamin C in the Philippines: seven checks on form, acidity, dose, FDA registration, price per milligram, accountability, and supply.

Sodium ascorbate and ascorbic acid are both vitamin C. They differ in two ways, acidity and sodium content. Here is what JECFA and the NIH say.

Vitamin C and zinc do separate jobs. Here is what each does, how much Filipino adults need, and how to read the zinc figure on a label.