Turn-On Fluorescence Detection of Glutathione Based on o-Phthaldialdehyde-Assisted SiO₂ Particles

Figure 2

Selection of dietary supplements: (a) GSH dietary supplement—capsules (P1), (b) GSH dietary supplement—liposomes (P2), (c) protein—iso mix (Pro1), (d) protein premium whey (Pro2), and (e) protein whey concentrate (Pro3).

(a)

(b)

(c)

(d)

(e)