propionyl-l-carnitine uk Swanson Glycine Hcl Gplc 840 mg 60 Caps L-Carnitine 500mg x 50ml :

doi: 10.1177/2472555217731556

Also, while doing a surrogate study, I am seeing people use nitrosamines as surrogates

Key points to consider when interpreting the evidence: Most studies are short-term , typically lasting fewer than 12 weeks, making it difficult to assess long-term efficacy or safety Results appear more pronounced in older adults or individuals with obesity, compared to younger, healthy populations L-carnitine alone, without dietary or lifestyle changes , is unlikely to produce clinically meaningful weight loss Neither NICE nor the NHS recommends L-carnitine supplementation as part of any weight management pathway

Retrieved June 28, 2022

The stress of midlife (and menopause!) is a factor as well