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Topical application Topical use doesn't consume reconstituted injectable solution but rather uses dedicated topical preparations

Tolerance and dose creep Some long-term users report that a previously effective dose becomes less potent over time

The following groups of people are at a greater risk of developing a vitamin B12 deficiency: Vegans or vegetarians People 75+ years Having a digestive system disorder like Crohns or celiac disease Drinking excessive amounts of alcohol Having Sjgrens syndrome Taking certain medications like oral birth control or metformin Common symptoms of a vitamin deficiency include fatigue, numbness, poor balance, memory loss, and breathlessness

While larger manufacturers often focus on high-volume production for established brands, Indigo appears to focus on the earlier stages of brand development