In short, while B12 corrects deficiency reliably, it does not act like a weight-loss drug in people with normal levels
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Even with B12 in the diet, absorption depends on stomach acid and a protein called intrinsic factor, both of which decline with age and with certain medications
But these are not consistently observed
The science behind gut health supplements Fermented foods like yogurt, kefir, sauerkraut, kimchi, miso, and pickles are natural sources of probiotic bacteria that help support a healthy gut microbiome, the community of microbes that influences everything from immunity to overall well-being
If youre not deficient, routine injections are seldom necessary