l-carnitine and bone Frontiers Swanson Vitamins Calcium L-Carnitine Support

doi: 10.1002/neu.20265 98 KaneezF

One study involving over 300 twins speaks to the importance of the legs in particular: greater strength and power in the legs in particular was associated with an increased brain volume 10 years later and less brain aging in over 300 twins 3 Kicking Back Cognitive Ageing: Leg Power Predicts Cognitive Ageing after Ten Years in Older Female Twins Steves et al

But how does it work, and what does it cost

For sucrose in water at 20 C, studies put the apparent massic volume between 0.61 and 0.63 cm per gram (2) (4)

doi: 10.1016/s1369-5266(03)00039-6

Poly (lactic-co-glycolic acid)/hyaluronic acid (PLGA/HA) microneedles using chitosan-PLGA composite nanocarriers increased curcumin transdermal rate by 4.2-fold and extended duration to 2 months (Palliyage et al., 2021)