b12 patch vs injections Choosing Between the Shot and All manufacturing and laboratory processes meet or exceed current good manufacturing practises Folic Acid & Vitamin B12

Many are compounded (custom-prepared)

These injections are considered a medical treatment and should be administered under the guidance of a trained professional

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I was told my iron and ferritin levels were fine, but I accessed my medical records and my ferritin levels were scraping along the bottom in the 20s for years

2026 Jan 29;19(2):235

Between 1.5% and 15% of the public has a vitamin B12 deficiency, and certain groups are at a higher risk: Older Adults : As we age, our bodies may produce less stomach acid, which is necessary to absorb B12 from food