Amino acid injections bypass the digestive system entirely, delivering nutrients directly into the bloodstream
"Anaemia and related nutrient deficiencies after Roux-en-Y gastric bypass surgery: a systematic review and meta-analysis"
Microorganisms, 11(9): 2249 Yin K, Deng Y, Liu C, He Q, Wei Y, Chen S, Liu T, Luo S (2018)
Vitamin b12 injection for dogs ensures to deliver adequate amount of cobalamin in blood as it surpasses the gastrointestinal tract
One study found that the intraperitoneal delivery of BPC-157 at a dose of 2 micrograms per kilogram enhanced motor function, diminished white and gray matter lesions and alleviated neuronal damage in rats with spinal cord injury [1]
Since humans are not able to synthesize vitamins in B complex on their own and these vitamins are easily excreted from the body through urine, their regular intake is essential to maintain energy production, DNA/RNA synthesis/repair, genomic and non-genomic methylation as well as synthesis of numerous neurochemicals and signalling molecules