When it comes to vitamin C, I dont recommend supplementing in the ascorbic acid form for long periods of time
Benoxophenone-3 (found in sunscreens, nail polish, makeup, hair & skin care) Butylated Hydroxytoluene (BHT) (food additive/preservative in butter, meats, cereals, chewing gum, baked goods, snack foods, and dehydrated potatoes) is also used in animal feed, cosmetics, pharmaceuticals, rubber, petroleum, and electrical transformers
& Le Clainche, C
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Because of these challenges, many experts agree that the arm is a site best left to a trained provider who can administer the injection safely and correctly
Even a few hours at room temperature can reduce potency