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It can take up to a day to feel the effects of vitamin B12 shots, though some people notice the effects sooner
Vitamin B12 in Patients with Hepatic Conditions: Safety: Safe, aiding liver detox in 20-30% of cases by lowering homocysteine (30-40% reduction), per a 2025 Hepatology trial (n=500)
The remaining nine vitamins are water-soluble, meaning the body excretes any unused leftovers
Side Effects, Interactions, and Safety Vitamin B12 has no established tolerable upper intake level because of its low potential for toxicity
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