Current obstacles to successful local or systemic delivery of peptides include poor absorption, enzymatic degradation, and mucociliary clearance
According to estimates, up to 15% of the general population may be vitamin B12 deficient
Biomed Chromatogr 14:351372 Rauha JP, Vuorela H, Kostiainen R (2001) Effect of eluent on the ionization efficiency of flavonoids by ion spray, atmospheric pressure chemical ionization, and atmospheric pressure photoionization mass spectrometry
People with naturally brighter or "glowing" complexions often have a higher ratio of pheomelanin
Similar symptoms, such as front-of-knee pain or swelling after exercise, can come from very different structures including tendons, cartilage, the meniscus, or inflammation
In another study, Saber et al