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PMID 29477223
Studies vary, but some research suggests that at least fifty percent of adolescents feel unhappy with their bodies, an insecurity that can last well into adulthood
B12 Supplements (MAJOR EFFECT) Oral B12 Supplements: Typical dose: 1000 mcg (1 mg) Absorption: ~1-2% passively absorbed (10-20 mcg from 1000 mcg dose) Effect on serum B12: Can increase by 100-300 pg/mL within 24 hours Peak effect: 4-8 hours after oral supplement Intramuscular B12 Injections: Dose: Usually 1000 mcg Effect: Massive increase in serum B12 Can reach 1000-5000 pg/mL within hours Sustained elevation for weeks Recommendation: Stop oral supplements 3-7 days before testing (ideally 7 days) Wait 1-2 weeks after injection before testing 2
Bidart JM et al
In cases of neuropathy caused by vitamin 12 deficiency, supplementation has been seen to improve symptoms
It is ideal for those with low sun exposure
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