B12 shots offer a full dose, all-at-once solution
Administer the injection into the muscle (the thigh is typically easiest if youre doing it yourself)
So worth it
Sublingual forms dissolve under the tongue, with the idea that some B12 enters through the mouth's membranes instead of the digestive tract
Real-life reviews show a mix of experiences
Vitamin B-12 deficiency symptoms may include: strange sensations, numbness, or tingling in the hands, legs, or feet difficulty walking (staggering, balance problems) anaemia a swollen, inflamed tongue difficulty thinking and reasoning (cognitive difficulties), or memory loss weakness fatigue While an experienced physician may notice the symptoms and be able to detect a vitamin B-12 deficiency with a good interview and physical exam, a blood test is needed to confirm the condition