Glycol solvents (propylene glycol, propanediol, pentylene glycol) are generally well tolerated on intact skin but are a more common sensitivity trigger than a simpler carrier, and are worth avoiding for anyone already managing a reactive skin condition
Thaiss CA, Zeevi D, Levy M, et al
McLeod provided Banting with laboratory facilities, some experimental dogs and the assistance of Charles Best, a research student
J Alzheimers.Dis 2011;27(2):271-280
L-Carnitine helps the body convert fat into energy, which benefits not just physical performance but also the vitality of organs that rely largely on effective energy usage, such as the heart and brain
Side effects are rare, generally mild, and may include occasional injection-site irritation, or mild nausea