Short answer: Vitamin C supports blood vessel lining integrity and collagen production, while Pine Bark Extract is studied for supporting nitric-oxide production and vascular function — two antioxidants addressing the same vascular target from different angles.
Vitamin C: structural support
Beyond its well-known immune role, Vitamin C is an antioxidant that supports collagen production — relevant to the structural integrity of blood vessel walls specifically.
Pine Bark Extract: functional support
Pycnogenol is a well-studied antioxidant extract with research specifically linking it to supporting nitric-oxide production, addressing vascular function more directly than a general antioxidant would.
Why two antioxidants isn't necessarily redundant
Different antioxidant compounds often work through distinct mechanisms and target different aspects of oxidative stress — combining them can offer broader protection than relying on just one.
See both antioxidants in Boostaro
Named plainly, alongside five other actives.
See the Ingredients