n acetyl l carnitine and alpha lipoic acid 600mg N-Acetyl Cysteine 600mg L- 500mg Benfotiamine 300mg - Nerve Support Supplement for Women Men with Vitamin B1 B6 & B12 Horbäach Acetyl L Carnitine HCL
Description
G., Briviba, K

But you may find it difficult to extract the B12 from the ampoule ( because of its shortness ) unless you can master the method of extraction by inverting the opened ampoule

Bioavailable sublingual spray

A.TemmermandD.MianK.SpurB.RodriguezA.et al