Carotenoid Supplementation
Previous studies suggest lutein and zeaxanthin supplementation can improve macular pigment density and contrast sensitivity in European populations. The placebo capsule contains sunflower oil and is matched to the active capsule in appeara…
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Previous studies suggest lutein and zeaxanthin supplementation can improve macular pigment density and contrast sensitivity in European populations. The placebo capsule contains sunflower oil and is matched to the active capsule in appearance, quantity, and odour. The intervention capsule contains 10 mg lutein, 10 mg meso-zeaxanthin, and 2 mg zeaxanthin per day. Participants in the intervention group take one soft gel capsule daily for one year. The article states that prior studies support the safety of oral carotenoid supplementation across populations.