I went on a keto diet and took alpha-lipoic acid and after 7-8 months the feeling came back except for my toesand later added acetyl-l-carnitine and got feeling back in my toes. These all help with inflammation and carnitine can help with nerve repair.

Acetyl-L-carnitine (ALC) is a naturally occurring compound that has been studied for its potential role in nerve regeneration.
Mechanism of Action:
ALC is thought to promote nerve regeneration by:
Increasing energy production in nerve cells, Protecting nerve cells from damage, Stimulating the production of nerve growth factors, and Improving blood flow to nerves.
Evidence from Studies:
Several studies have investigated the effects of ALC on nerve regeneration. Some key findings include:
Animal studies:
ALC has been shown to improve nerve regeneration in animals with nerve injuries.
Human studies:
Small studies in humans have shown that ALC can improve pain, numbness, and tingling in people with diabetic neuropathy (nerve damage caused by diabetes).
Meta-analysis:
A meta-analysis of several studies concluded that ALC is effective in improving nerve regeneration in people with diabetic neuropathy.
Dosage and Administration:
The recommended dosage of ALC for nerve regeneration is typically 2-3 grams per day, taken in divided doses. It can be taken as a powder, capsule, or liquid.
Safety and Side Effects:
ALC is generally considered safe when taken in recommended dosages. However, some people may experience mild side effects such as nausea, diarrhea, and stomach upset.
Conclusion:
Based on available evidence, ALC may be a promising supplement for promoting nerve regeneration. However, more research is needed to confirm its effectiveness and determine the optimal dosage and duration of treatment. It is important to consult with a healthcare professional before taking ALC, especially if you have any underlying health conditions.