PERQUE Activated B12 Guard and PERQUE Vessel Health Guard contain 2000mcg of Vitamin B12 in the bioavailable hydroxocobalamin form. (perqueintegrativehealth.com)
The DNA testing said avoid methylcobalamin and take hydroxocobalamin but both give me constipation and migraine. (kellybroganmd.com)
Also, because the Hydroxocobalamin version of the B - 12 shot is a natural form of the vitamin, it is perfectly safe to receive during pregnancy and while breastfeeding. (health-foundations.com)