Science & Research

Our vitamins are manufactured in the USA in a cGMP certified and FDA approved facility. What this means is that our facility complies with Current Good Manufacturing Practice (cGMP) regulations, which are enforced by the FDA. We are vegan, cruelty free, non-GMO and free of major allergens such as milk, eggs, fish, crustacean shellfish, nuts and wheat. 

Each ingredient in SRE Naturals has been thoughtfully chosen, backed by scientific studies on absorption, effectiveness, and safety. We’ve handled the research for you, making it easy to feel confident about the nutrition you’re giving your family. 

https://fdc.nal.usda.gov/
https://ods.od.nih.gov/factsheets/list-VitaminsMinerals/
https://www.healthychildren.org/English/healthy-living/nutrition/Pages/calcium-the-bone-builder-kids-and-teens-need.aspx
https://www.healthychildren.org/English/ages-stages/gradeschool/nutrition/Pages/Making-Healthy-Food-Choices.aspx
https://www.mayoclinichealthsystem.org/hometown-health/speaking-of-health/why-take-vitamin-and-mineral-supplements
https://nutritionsource.hsph.harvard.edu/kids-healthy-eating-plate/
https://nutritionsource.hsph.harvard.edu/vitamins/
https://www.mayoclinic.org/diseases-conditions/vitamin-deficiency-anemia/symptoms-causes/syc-20355025
https://www.mayoclinic.org/drugs-supplements-vitamin-b6/art-20363468
https://www.mayoclinic.org/drugs-supplements/biotin-oral-route/description/drg-20062359
https://www.mayoclinic.org/drugs-supplements-vitamin-b12/art-20363663
https://www.mayoclinic.org/drugs-supplements/potassium-iodide-oral-route/description/drg-20065546
https://www.mayoclinic.org/drugs-supplements/zinc-supplement-oral-route-parenteral-route/description/drg-20070269
https://www.mayoclinic.org/drugs-supplements/manganese-supplement-oral-route-parenteral-route/description/drg-20070154
https://www.mayoclinic.org/drugs-supplements/magnesium-supplement-oral-route/description/drg-20070730
https://pmc.ncbi.nlm.nih.gov/articles/PMC5707683/#sec3-nutrients-09-01211
https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6331a3.htm?s_cid=mm6331a3_w
https://www.heart.org/en/news/2023/05/23/kids-and-added-sugars-how-much-is-too-much
https://nutritionsource.hsph.harvard.edu/food-label-guide/