The purity and accuracy of your peptide directly impact the validity and safety of your research
Br J Haematol 166
The most prominent reason is the limited dietary sources of vitamin B12, which is primarily found in animal products such as meat, fish, dairy, and eggs
So, if your vitamin B12 deficiency is due to an autoimmune disease in which your stomach doesn't make intrinsic factor, supplements might not work for you, and you will need injections
Comparing Tablets and Injections Some patients ask whether they should stick to tablets or go for injections
Then, in 2015, Lee and colleagues identified a previously overlooked open reading frame within the 12S ribosomal RNA gene of mtDNA and found that it encodes a functional peptide, MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) [1]