Unfortunately, chances are that vitamin B12 deficiency has already harmed your nerves by the time you experience symptoms
Also, if you are not satisfied with the injection, you can use hyaluronidase dissolved, very convenient
Glutathione levels can be improved and optimized through the following ways: consuming sulphur-rich foods such as garlic, onions, cabbage, cauliflower, broccoli, etc., consuming bioactive whey protein found in non-pasteurized and non-industrially produced milk, which is a great source of cysteine and the amino acid building blocks for glutathione synthesis, doing exercise and taking a family of antioxidants which include vitamin C and E (in the form of mixed tocopherols), all working together to recycle glutathione (Nuttall et al., 1998)
As an essential vitamin, B12 is required for the body to work properly
Bai et al