The quiet dose is often the deliberate one
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A supplement label can make a large number feel like proof. It is usually just a large number.
Dose design starts in a narrower place: what the body uses, what has been studied, and where the safe boundaries sit. For vitamin D, the NIH Office of Dietary Supplements lists both recommended intakes and an adult upper limit. For B-12, oral absorption changes as the dose rises, which is why a label can climb far past the amount that adds meaningful value.
On Call D3 uses 50 mcg, 2,000 IU, of vitamin D3. On Call B-12 uses 500 mcg of cyanocobalamin. Those numbers are there because the formula starts with the daily amount, then the gummy is built around it.
That is the less theatrical version of supplement design. It is also the one On Call Gummies is interested in.
References
- NIH Office of Dietary Supplements, Vitamin D Fact Sheet for Health Professionals.
- NIH Office of Dietary Supplements, Vitamin B12 Fact Sheet for Health Professionals.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.