Vitamin B12 is primarily found in animal-based foods, including beef, salmon, yogurt, and milk, though some plant-based foods, like nutritional yeast, are fortified with it
The vitamin doesnt work this way with everyone, though
Clinical trials showed minimal adverse effects, and anecdotal reports from thousands of users confirm this
References: National Institute for Health and Care Excellence (NICE)
What these experiments cannot establish A change in cultured fat cells does not prove safe weight loss, improved metabolic health or an effective treatment in people
At the gene expression level, ZEB1, SIRT1, and CD16 mRNA levels were increased following 5MQ treatment, while TWIST and SERPIN1 mRNA levels were reduced