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Effect of physiological doses of oral vitamin B12 on plasma homocysteine: a randomized, placebo-controlled, double-blind trial in India
If your main goal is significant weight loss through appetite control, GLP-1 medications may be the strongest evidence-based option
Common side effects include injection site reactions (burning, pain, swelling, redness), headache, mild diarrhea, and upset stomach
Similarly, if you use proton pump inhibitors or H2 receptor antagonists for acid reflux or peptic ulcers, your stomach acid levels may decrease, making it harder for your body to absorb B12 from your diet