nih.gov warnings on l carnitine l tartrate L-Carnitine 1000mg but significant amounts are only found in dark meats (due to high concentrations of mitochondria) L-Carnitine | Energy and Weight

(2015) combined both LC (0.4 mg/mouse) and ALC (0.12 mg/mouse) with micronutrients like zinc (4 ng/mouse), copper (0.8 ng/mouse) and iron (7 ng/mouse) and treated mice for 3 weeks daily to check the ovulation rate and oocyte quality

[DOI] [PubMed] [Google Scholar] Steiber A., Kerner J., Hoppel C.L

Group 3 sperm patterns proved significantly higher during therapy than group 2

Data are insufficient

b) Farm animal models Several studies have also looked into the effects of carnitine supplementation on improving the rate of ovulation and fertilization [20], egg quality [44, 50], number of litters born [20, 51] etc., of farm animals such as pigs, chickens and cows

Derived from the amino acids lysine and methionine, L-Carnitine stands out as a versatile ingredient addressing various health and fitness applications