nasal b12 vs injection Efficacy of different routes of vitamin supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis NAD+ Injections & Nasal Spray
Description
Lifestyle Optimization Best results are achieved when integrated with adequate sleep, stress management, and hydrationall factors that influence fat metabolism and storage

Wolffenbuttel BHR, McCaddon A, Ahmadi KR, Green R Food and nutrition bulletin 2024

[DOI] [PMC free article] [PubMed] [Google Scholar] 62.Tsiminis G., Schartner E.P., Brooks J.L., Hutchinson M.R

But you may need a few weeks of regular treatment before you notice significant changes and your condition improves
