acetyl l carnitine and pregnancy safe during Amazon.com: NaturaLife Labs Acetyl L-Carnitine (ALCAR) 1500 mg per Serving – 100 Capsules – Non-GMO, Gluten-Free, Vegan : Health & Household Role of L-carnitine in female

Five positions judged to govern ketosteroid isomerase activity based on mutational studies ( The catalytic efficiency of HsaGST A3-3 with 5-AD is 5000-fold higher than that of HsaGST A2-2, and we found that mutating the five residues in the H-site of HsaGST A2-2 into the corresponding HsaGST A3-3 residues enhanced the efficiency to 70% of the HsaGST A3-3 value (Table 1)

This particular transporter protein is upregulated in a group of cancers, Birsoy says

Its involved in mitochondrial function, which is essentially how your cells generate usable energy

Its also found within amyloid plaques, where it may act as a TREM2 ligand