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The short answer: research doesnt yet support this theory enough to say definitively this is or is not the case
We tested several batches for COA consistency and found PDFs for current lots linked on the product page
How Often Should I Get a Vitamin B12 Injection
[1] [3] The active ingredient, ascorbic acid, is a water-soluble vitamin essential for numerous physiological functions, including collagen synthesis, antioxidant defense, and immune support
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