Immunotrition’s Vitamin D3 is manufactured in the United States in accordance with the processes, procedures and documentation of Good Manufacturing Practices (cGMP). This ensures that our Vitamin D3 has the identity, composition strength, quality and purity represented on its label. a rare certification among vitamins and supplements. 

These requirements are listed in Section 8 of the NSF/ANSI Standard 173, which is the only accredited American National Standard in the dietary supplement industry developed in accordance with the FDA’s 21 CFR part 111.

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The above guideline and accreditation means that our manufacturer is meeting cGMP requirements, including the ingredients, raw materials, distribution, warehousing and product packaging. We do this at Immunotrition because we are committed to our customers’ safety and to our standards of quality so that optimal results may be achieved. 

Immunotrition’s Vitamin D3 has also undergone a real time stability program to ensure that all finished products meet label claim throughout the shelf-life and that the product contains active ingredients listed in sufficient quantities to be clinically effective.