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A: Results may vary, but most users report seeing a noticeable improvement in their skin tone and brightness within six to eight weeks of consistent use

People who are vegetarians mainly rely on their endogenous production of carnitine.[ref] While the OCTN2 transporter is important in carnitine uptake, in some tissues, such as the lungs and intestines, carnitine can also be absorbed by passive diffusion.[ref][ref] The expression of the OCTN2 transporter is regulated by estrogen receptors and PPARs

So long as volume is equated you will most likely see very similar outcomes no matter if you train 2 or 4 times a week

Measurements Before and after the experiment, participants performed isometric and isokinetic muscle strength testing on the Biodex dynamometer