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| Form | Bioavailability | Best For |
|---|---|---|
| Standardized Bilberry Extract (25% anthocyanins) | Moderate | General eye health — the most common and well-studied form |
| Bilberry Extract (36% anthocyanins) | Moderate-High | Higher potency — concentrated anthocyanin content |
| Whole Bilberry Powder | Low-Moderate | Whole-food approach — lower anthocyanin concentration but includes fiber |
Bioavailability: Moderate. Best for: General eye health — the most common and well-studied form.
Bioavailability: Moderate-High. Best for: Higher potency — concentrated anthocyanin content.
Bioavailability: Low-Moderate. Best for: Whole-food approach — lower anthocyanin concentration but includes fiber.