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Over-dosing means unnecessary side effects, potentially severe ones like nausea, vomiting, or the kind of gastrointestinal issues that make people quit their protocol entirely
Jennifer C
Metformin: This diabetes medication might impair vitamin B12 absorption in some people
B12 helps with red blood cell formation and anaemia prevention
While oral supplements are an option, they still have to go through the digestive system, where absorption issues can get in the way
Because these conditions prevent adequate oral uptake, intramuscular injection bypasses the digestive system entirely and delivers B12 directly into muscle tissue for reliable absorption
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