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Unlike broad-spectrum vitamins or herbs, peptides are short chains of amino acids that act as biological messengers
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Nausea (most common, especially during first 1 to 2 weeks of a new dose) Diarrhea or, just as often, constipation Vomiting (less common but more likely at 9 to 12 mg) Reduced appetite, food noise quieting down (this is the goal, not a side effect) Skin sensitivity (dysesthesia): tingling, prickly feeling, or sunburn-like skin
60 Two studies used methyl-B12, 58,60 the others did not mention the form
Risks and Side Effects While B12 shots are generally very safe, you should be aware of a few risks: Injection Site Pain: You might feel mild soreness or see redness where the shot was given
This is highly concentrated
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