Always good to have a reason I have also had this happen when my folate was low , it may be worth you getting it checked I had self inject my B12 every 4 weeks for the last 20+ (cannot really remember how long accurately), and 2 months ago got a similar 'electric shock tingling' all over my body - head, face, arms, hands, legs, feet etc within a couple of minutes of injecting, which lasted about 3 seconds or so
Aids in iron absorption, prevention of certain cancers including breast and lung, prevention of glaucoma, heart attack and stroke, and reduction of cholesterol levels Zinc is needed for proper immune functioning including wound healing and blood clotting, it also has antioxidant properties
This methyl donor helps reduce homocysteine levels, addressing two problems at once
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