Cempazuchitl . also known as Tagetes one of dozens of species in the sunflower and marigold family which has had a multitude of applications: over hundreds of years, it has not been approved by the FDA which prohibits the promotion of non approved products for health and medical uses. Some of the primary attributes claims have made are:
Precautions/Side Effects
There have not been any significant reported problems using this in moderation, however. not enough clinical information is available as studies continue. The same applies with women who are pregnant of may with to be pregnant. Use may cause an allergic reaction in people who are sensitive to the Asteraceae/Compositae family. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many others. If you have allergies, be sure to check with your healthcare provider before taking.
Credits:
https://ophthalmologybreakingnews.com/improved-vision-through-a-supplement-from-mexican-marigolds-
Traditional uses, Phyto-chemistry and pharmacological activities of Tagetes Patula L.Riaz M, Ahmad R, Rahman NU, Khan Z, Dou D, Sechel G, Manea https://pubmed.ncbi.nlm.nih.gov/31724710/
Word Journal of Pharmaceutical Science
https://www.wjpsonline.org/download.php?id=NDcw
USDA.gov
FDA.gov
Use of medicinal plants by health professionals in Mexico