But they work differently, so choosing which is better depends on your goal
Subcutaneous bioavailability may land somewhere around 30 to 80 percent depending on the site, and local injection could in theory help in superficial, low-blood-flow tissues like tendons
Drug Chem Toxicol 45:17231731 Shibayama Y, Ushinohama K, Ikeda R, Yoshikawa Y, Motoya T, Takeda Y, Yamada K (2006) Effect of methotrexate treatment on expression levels of multidrug resistance protein 2, breast cancer resistance protein and organic anion transporters Oat1, Oat2 and Oat3 in rats
These therapies are carefully selected and provided under professional guidance to help you feel your best from the inside out
This study lacked a placebo control, so results should be interpreted cautiously
One published study in the International Journal of Dermatology reported meaningful improvements in hair shaft diameter after 6 months of use