why would you need b12 injections Vitamin for Energy, Wellness, glow Feeling worse after B12 Injection:

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The entire body composition evidence base comes from preclinical mouse studies and cell culture experiments

[1] For this reason, it might be advised to remain in the clinic for 10-15 minutes after the first injection to ensure you dont react

Each injection contains the following active ingredients: B6: Vital for red blood cell production and food-to-energy conversion

That makes it theoretically safer metabolically compared to growth hormone