l carnitine and zma JYM Zinc & Magnesium Supplement, Vitamin B6 & BioPerine - 90 Veg Caps Maximuscle Max-ZMA | Zinc, Magnesium,
Description
Its important to understand that while you may not feel it, the vitamin B12 is still being absorbed into the body to produce its effects

Eser, M., Masip, L., Kadokura, H., Georgiou, G., & Beckwith, J
Nutr Rev 62:348353 Dominy JE Jr, Hirschberger LL, Coloso RM, Stipanuk MH (2006a) In vivo regulation of cysteine dioxygenase via the ubiquitin-26S proteasome system
Mov Disord 35:22012210

Other strategies such as orbital radiotherapy have had their widespread role in combination therapy called into question