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doi: 10.1016/j.scitotenv.2017.11.241
Dietary sources should be prioritized, with supplements added only to reach age-appropriate total intake (1,000-1,200 mg daily from all sources)
According to the National Institutes of Health (NIH), the recommended dietary allowance (RDA) for vitamin B12 varies according to age, sex, and whether one is pregnant [3]
A three-component co-formulation supplied for controlled research environments
E.JoyceJ
Recent updates on GLP-1 agonists: Current advancements & challenges. Tirzepatide: Food & Drug Administration (2021)
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