The best TB-500 capsules are those with independently verified purity of at least 98% by HPLC, a stated and accurate dose per capsule, a batch-matched COA from a third-party lab, and transparent sourcing
Paul and Brady also note that various single-nucleotide polymorphisms (SNPs) may influence the efficacy and bioavailability, but that at this time there is neither sufficient clinical research in this area nor are tests for these SNPs commercially available
Cost and availability often make cyanocobalamin a pragmatic first-line option
Let them air dry for about 30-60 seconds
Injection may be done systemically, such as in the abdomen or thigh, or locally near the symptomatic soft-tissue region
But, the schedule might change based on how well the treatment works and the cause of the deficiency