A randomized, double-blind, placebo-controlled trial in 191 older adults (75 years) with moderate vitamin B 12 deficiency (serum cobalamin concentrations of 107-210 pmol/L) without anemia provided participants with 1 mg/day of cyanocobalamin for one year (94)
Dyringes are very large and use my own small ones More energy, seems to help with food noise Potent B12 fast delivery Within the first two injections my afternoon energy crashes disappeared, and Ive been powering through workouts that used to wipe me out
This depends on the severity of symptoms, B12 levels, and overall health
Cyanocobalamin (which I understand is the main form of B12 used in the USA - and some other places too) may contain aluminium
Deficiency symptoms include pale skin, headaches, shortness of breath, digestive-related issues, and mood changes