Routes of Administration Subcutaneous (standard and only route): Protocols describe rotating between abdomen, thigh, and upper arm, with abdomen typically providing the most consistent absorption
The following reliable German online pharmacies ( all registered with the German Health Authorities) will deliver B12 single use ampoules to the U.K
When it was recognized that pellagra, a condition marked by diarrhea, dermatitis, dementia, and mortality, could be treated with foods containing NAD+ precursors, particularly vitamin B3, the clinical significance of maintaining NAD+ levels was established in the early 1900s (9). Notably, the skin does not flush with NAD+ injection, in contrast to vitamin B3 (niacin) intake, which also causes this negative effect (10). Low NAD+ levels have recently been associated with a variety of age-related ailments and diseases linked to increased oxidative/free radical damage, including diabetes, heart disease, vascular dysfunction, ischemic brain injury, Alzheimers disease, and vision loss (8, 11-17)
Subcutaneous delivery suits both peptides: it gives a smooth absorption curve that fits the once-daily, pulse-timed design, and it keeps the injection itself low-volume at roughly a tenth of a millilitre
