Branded Ingredients · Other

MacuGuard Ocular Support (Zeaxanthin, Lutein, C3G)

Provisional Moderate ScoreCompound

Hermetica Superfood Encyclopedia

Published March 19, 2026Last updated March 19, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

MacuGuard Ocular Support combines zeaxanthin, lutein, and cyanidin-3-glucoside (C3G) to enhance macular pigment density and visual function. These carotenoids accumulate in retinal tissue to filter harmful blue light and provide antioxidant protection.

—

Screened PMID Records

—

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryBranded Ingredients

GroupOther

Public Score StatusProvisional Moderate

Primary KeywordMacuGuard benefits

MacuGuard Ocular Support close-up macro showing natural texture and detail — rich in zeaxanthin and lutein act as selective blue light filters and antioxidants in retinal tissue, accumulating in macular photoreceptors via specific carotenoid transport proteins. c3g (cyanidin-3-glucoside) inhibits inflammatory pathways including nf-κb and cox-2, while potentially affecting platelet aggregation through thromboxane a2 modulation. no significant cyp450 induction/inhibition reported for these carotenoids

MacuGuard Ocular Support (Zeaxanthin, Lutein, C3G) — botanical close-up

Origin & History

Natural habitat

MacuGuard Ocular Support is a branded dietary supplement formulation containing zeaxanthin, lutein, and C3G (cyanidin-3-glucoside), designed for macular pigment augmentation and eye health support. The lutein and zeaxanthin are extracted from marigold flowers (Tagetes erecta) through solvent-based processes, while C3G is derived from dark-colored fruits like blackcurrants (Ribes nigrum) via water-ethanol extraction.

“No traditional medicine use was documented for the MacuGuard combination or its components in ocular contexts. Modern AMD supplements evolved from observational dietary data on carotenoids rather than ancient medical systems, with marigold extraction being a contemporary pharmaceutical development.”Traditional Medicine

Research Narrative (Provisional)

Key evidence includes an exploratory study (n=51) using MacuShield formulation showing MPOD increases and visual function improvements over 6 months, and the landmark AREDS1 RCT (n=3649) demonstrating 25% risk reduction for AMD progression with lutein/zeaxanthin supplementation. The MOST trial confirmed macular pigment augmentation across spatial profiles with sustained supplementation, while a double-masked RCT in glaucoma patients (n=62, PMID: 36247822) showed increased MP and improved mesopic contrast sensitivity at 18 months.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

{"macronutrients": {"fiber": "Not applicable", "protein": "Not applicable"}, "micronutrients": {"vitamin_C": "Not specified", "vitamin_E": "Not specified", "zinc": "Not specified", "copper": "Not specified"}, "bioactive_compounds": {"zeaxanthin": "10 mg per serving", "lutein": "10 mg per serving", "cyanidin-3-glucoside (C3G)": "Not specified"}, "bioavailability_notes": "Zeaxanthin and lutein are fat-soluble carotenoids, best absorbed when taken with dietary fats. C3G bioavailability may vary based on individual metabolism and gut microbiota."}

Reported Mechanism (Provisional)

Mechanism of Action

Zeaxanthin and lutein selectively accumulate in the macula lutea, forming macular pigment that filters high-energy blue light (400-500 nm wavelengths). These carotenoids neutralize singlet oxygen and lipid peroxyl radicals through electron donation. Cyanidin-3-glucoside enhances retinal blood flow by activating endothelial nitric oxide synthase and stabilizing anthocyanin uptake in ocular tissues.

Clinical Narrative (Provisional)

An open-label study (n=51) demonstrated significant increases in macular pigment optical density after 6 months of supplementation (P=0.04). Multiple controlled trials have shown improvements in mesopic and photopic contrast sensitivity at low to medium spatial frequencies (P<0.05). Additional studies report enhanced glare recovery times, though sample sizes remain modest. The evidence is promising but limited to short-term outcomes with relatively small study populations.

Also Known As

Tagetes erecta extract complexMPOD support formulaMacular carotenoid supplementEye health triadLutein-zeaxanthin-anthocyanin complexRetinal pigment supportAMD prevention formula

Browse All Ingredients More Other About the Encyclopedia

These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

From the Hermetica Research Desk

Research updates — and 25% off your first order

Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.

Educational content only — not medical advice.