l carnitine s r forms 2 x NOW FOODS L-Carnitine 1000 mg Liquid 32 oz Clinically Tested NOW Supplements, L-Carnitine 500mg, Purest
Description
Reduces muscle pain and weakness

10.1016/j.celrep.2014.12.036

U., Nasir, F., Iqbal, Z., Neau, S., Khan, I., Hassan, M., et al

The best test is a short, careful trial: start low, take the supplement with food, keep a brief headache log, and pause the supplement for several days to see whether the symptom resolves
