do b12 injections work better than pills The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine B12 Injections vs Oral Supplements:

Weight loss is a multifaceted process influenced by numerous factors beyond simple nutrient supplementation

Lipo-B12 injections are generally well-tolerated, but mild side effects such as soreness at the injection site or temporary nausea may occur

If the pancreas is not producing adequate digestive enzymes, the food is not broken down sufficiently for absorption to occur normally in the first place

World Health Organization, NCBI Bookshelf

When exposed to the cold temperature, the PCPA-treated mice experienced a sharp drop in body temperature, while the control mice maintained a normal temperature

"Nicotinamide N-Methyltransferase: More Than a Vitamin B3 Clearance Enzyme." Trends in Endocrinology & Metabolism