I think they have some benefit, but youre not going to see massive results and you definitely arent going to reverse 20 years of ageing with some light bulbs
The good news is that the symptoms of vitamin B12 deficiency can be improved with B12 supplementation
Vitamin B12 for hair, skin, and nails If you have a very low level of B12, you may be prone to hyperpigmentation (dark spots) on your skin, vitiligo (light patches on your skin), mouth ulcers, eczema, and acne
Vitamin B12, cyanocobalamin...............................50ug
You might see tiny pinpoint marks where the needle entered this is completely normal
Medication arrived cold-packed and professionally labeled