We have the government's RDA (Recommended Daily Allowance). And we have Alpha Femme Keto Genix other recommendations by various experts. Some of the government's RDA numbers are considered inaccurate by some experts. you should try get as much of your vitamin and mineral nutrients from food. And many recommend adding supplements to fill in the gaps where you may not get enough of these nutrients from food.sense to take vitamin in case I don't get what I need from the food I eat. As I continue to learn more about what our food contains, I'm increasingly convinced that we need, I'm also more concerned, and confused, about the quality of supplements. More on that below.