acetyl l carnitine alcohol L-Carnitine 1,000mg Per Serving, 150 Capsules (ALCAR for Brain Function Support, Memory, Attention, and Stamina) Acetyl that is Third Party Tested by Double Wood : Everything Else Acetyl L-Carnitine | Superior Supplement

B.et al (2007)

Multivariable regression analysis models were used to assess the correlations between serum homocysteine and folate levels and the severity of ASD symptoms in children with ASD after adjusting for age, sex, BMI, picky eating, use of vitamins, and serum homocysteine, folate, or vitamin B12 levels (continuous, ln-transformed)

Biotechnology of Microbial Enzymes, Elsevier, pp 129164 Vijiaratnam N, Simuni T, Bandmann O, Morris HR, Foltynie T (2021) Progress towards therapies for disease modification in Parkinsons disease

I high dose on b1 but that's again, because I am deficient in that and didn't start that until I had done the b12 for about 1.5 years