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and a 2025 IV safety pilot in 2 adults found no adverse events [PMID: 40131143]
Rev Med Interne 2008;29:187-94
No human clinical trials of Dihexa itself published as of 2026
Recommended Daily Amount of Vitamin B12 According to the NIH, the Recommended Dietary Allocation (RDA) for vitamin B12 is: Babies 0 6 months: 0.4 micrograms Babies 7 1 year: 0.5 micrograms Kids 1 3 years: 0.9 micrograms Kids 4 8 years: 1.2 micrograms Children 9 13 years: 1.8 micrograms Adult men and women over age 14: 2.4 micrograms Women that are expectant: 2.6 micrograms Women that are breastfeeding: 2.8 micrograms As compared to various other vitamins, we do not need a large amount of vitamin B12 yet we do need to restore our supply nearly each day
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