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Light exposure degrades peptides
I recommend: at least 2,000 mcg (g) cyanocobalamin once each week, ideally as a chewable, sublingual, or liquid supplement taken on an empty stomach or at least 50 mcg daily of supplemental cyanocobalamin or a serving of B12-fortified foods three times a day, each containing at least 190 percent of the Daily Value listed on the nutrition facts label Those over 65 years of age should take at least 1,000 mcg (g) cyanocobalamin every day
And when one does, there's a lot of different things one can do
Hydroxocobalamin: keep it refrigerated Hydroxocobalamin is the form the NHS uses for treating B12 deficiency, because it stays in the body longer
Its important not to increase the frequency of B12 injections without medical guidance, as unnecessary supplementation offers little benefit for most people, and your body will naturally eliminate what it doesnt need