[4] [5] Research has investigated berberine's potential effects on blood glucose control, lipid profiles, and body weight, though it is not licensed as a medicine by the MHRA in the UK and is sold as a food supplement or herbal product with variable quality
Many people can't afford to take a whole day off work for their prescription, either
However, other research suggests L-carnitine provides no benefits
But its been 20 years since the original launch and, according to Lynch, the team has never stopped trying to improve on it
Archived from the original on 2 November 2020
Cysteine is usually the limiting factor here, which is why foods that supply it (like whey protein or sulfur-rich vegetables) play such a big role in keeping production steady