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While toxicity is rare, excessive intake of certain B vitamins (particularly B or B) from multiple sources could increase the risk of side effects (like niacin flush or peripheral neuropathy)
These conditions include tropical sprue, and nontropical sprue (idiopathic steatorrhea, gluten-induced enteropathy)
WADAs S0 classification covers any pharmacological substance not approved for human use by a governmental health authority , meaning a positive test could result in sanctions regardless of whether the compound is directly listed
Can Vitamin B12 Injections be harmful
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