First I believe that Vitamin C is the product I mainly push, and recommend around 250 mg daily for a chin. second a multivit prep like this one I usually save for chins who are ill or need special feeding and usually use a drop or two of liquid baby vits in the feed. This preparation has a very high dose of vitamin A, and too little of the others, so I would not consider using it. anyway, that high a dose of A is almost too much for most humans.
Does that answer the question? if not feel free to ask again. A vitamin is ” a working process consisting of the nutrient, enzymes, coenzymes, antioxidants, and trace minerals activators.” – Royal Lee “What Is a Vitamin?” Applied Trophology Aug 1956 gunna be long! OK, natural vs. synthetic. Let’s start with Vitamin C. Most sources equate vitamin C with ascorbic acid, as though they were the same thing. They’re not. Ascorbic acid is an isolate, a fraction, a distillate of naturally occurring vitamin C. In addition to ascorbic acid, vitamin C must include rutin, bioflavonoids, Factor K, Factor J, Factor P, Tyrosinase, Ascorbinogen, and other components as shown in the figure below: