Cross-referencing clinical data
A pairing appears on this page only when a trial gave both ingredients together and measured the result. Common Zinnia has none that clears that bar.
Stitching two separate single-ingredient studies into a pairing is the one thing this engine will not do. When a study of the combination itself holds up at source, it lands here with its citation.
No invented synergy. Where actives were studied on their own rather than together, the record shows each on its own evidence, never a combined effect no trial measured.
Research strength. Research strength says how much work stands behind the combination. It is never a product score.
Independent record. Every finding is cited to a named trial, dated, and never written by the brand.
20 pairings are live across the library today. Checked 20 July 2026.
No study gave these as a pair, so they are not in the card above. But the reason they belong together is settled biochemistry, not a guess, so it is worth knowing.
Carotenoids compete for the same micellar and transporter capacity during intestinal uptake, so a large mixed carotenoid load can lower the absorbed fraction of any single one. Petal-derived pigment from an ornamental flower is unquantified, which makes the size of the effect impossible to state. The relationship is worth noting rather than acting on.
Beta-carotene and xanthophylls share absorption pathways and can reduce each other's uptake when taken together in quantity. Any carotenoid-bearing petal material adds to that pool without a declared amount. This is general carotenoid pharmacology applied to an uncharacterised source.
Carotenoid pigment from any plant source requires dietary lipid to form the mixed micelles that carry it across the enterocyte membrane. A lipid vehicle taken in the same meal raises the absorbed fraction. The oil is doing the work here and the plant source is incidental.
Ascorbic acid is the standard aqueous-phase antioxidant used to slow pigment and phenolic degradation in botanical extracts and infusions. It limits oxidative browning and colour loss during storage. This is a stability role in the product, not an effect in the person.
Nothing specific on file for Common Zinnia. Match the label to the daily amount above, and tell your doctor what you take.
Not medical advice. Show the label to your pharmacist.FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.