Table 1.

Mechanism of action and delivery of some exogenous antioxidants.

Antioxidants	Mechanism of Action	Selected Delivery Form	Ref.
Vitamin C		Gel assembled from nanoparticles.	[12,13]
Vitamin E		Responsive intelligent hydrogel.	[14,15]
Quercetin		Quercetin-loaded nanoemulsion (QNE), polymeric nanoparticles, liposomes.	[16,17]
Oligomeric proanthocyanin complexes (OPCs)		Solid, self-double emulsified drug delivery system (SDEDDS).	[18,19]