Working with Doctors around the world, Grown By Nature has compiled studies showing how Grown By Nature's supplements are better retained, better utilized, and better absorbed than 99% of (USP) synthetic chemicals supplements on the market

Truth in Supplements

Basic Guide to Vitains and Minerals

This is a great must have resource for educating yourselves and others about vitamins & minerals, their functions, and where they are naturally found in nature. 


Use this guide to interpret labels of "vitamins" and learn what the paranthesis really mean. 

"Re-Natured® Nutrients: The Future Here Today."

Summary Report by Dr. Peter Mansfield

Grown By Nature: "21st Century Nutritional Supplements, Supplements that are proven by extensive scientific research to be more effective than anything else available. Supplements proven in a $3,000,000 Lawsuit and using  NASA technology to be unique and superior to “today’s” normal, isolated chemical nutrients. Supplements that are- quite literally- the next best thing to food. 

“Re-Natured® nutrients are the Biggest Breakthrough in Nutrition in Decades” 


Calcium & Blood Pressure

Published: Med.Sci.Res 1992;20,145-146,"Effect of Vitamins A,E and a Citrus Extract on In Vitro and In Vivo Lipid Peroxidation"

Comparrison of different forms of Calcium on blood pressure.

Antioxidant Study of Lipid Peroxidation

Published: Med.Sci.Res 1992;20,145-146,"Effect of Vitamins A,E and a Citrus Extract on In Vitro and In Vivo Lipid Peroxidation"

Vitamin effects of A, E, and Citric Acid on in vitro and in vivo lipid peroxidation.

Human Supplementation with Different Types of Vitamin C

Joe A. Vinson, 1986 (unpublished),"Human Supplementation with Different Forms of Vitamin C"

Chemically, all forms of Vitamin C are identical - Ascorbic Acid

Bio Availability of different forms of Vitamin C

Joe A. Vinson PhD, Pratima Bose PhdDepartment of Chemistry, Scranton University, PAPublished: American Journal of Clinical NutritionVol. 48, No. 3 pp 601-604 September 1988,"Comparitive Bioavailability of Ascorbic Acid Aloneor in a Citrus Extract"

Protein Glycation and Vitamin C

Joe A. Vinson and Thomas D. Howard III Published: Nutritional Biochemistry 7:659-663, 1996"Inhibition of Protein Glycation and Advanced Glycation End Products by  Ascorbic Acid and other Vitamins and Nutrients"

Re-Natured Vitamin C & Hypercholestoralemic Humans

Joe A Vinson Ph.D. and Jinhee Jang, M.A.Published: Journal of Medicinal FoodVolume 4, Number 4 2001(C) Mary Ann Liebert, Inc.,"In Vitro and In Vivo Lipoprotein Antioxidant Effect of a Citrus FruitExtract and Ascorbic Acid on normal andhypercholesterolemichuman subjects."

Antioxidant Supplementation and Adenomatous Polyps

Published: Gut 1993, 24, 963-967"Effects of Vitamin Antioxidant Supplementation on Cell Kinetics of Patients with Adenomatous Polyps"R.J Cahill, R.R. O'Sullivan, P.M. Mathias, S. Beattie, H. Hamilton, C. O'MorainDepartment of Gastroenterology, Meath and Adelaide Hospital Trinity College, Dublin, Ireland

Reduction of Erythrocyte Sorbitol by Vitamin C

Joe A Vinson, Marianne E Staretz, Pratima Bose, Hassan M. Kassm and Barbara S. BasalygaPublished: Diabetes. Vol 38 August 1989,"In Vitro and In Vivo Reduction of Erythrocyte Sorbitol by Ascorbic Acid"

Comparitive Human Bio Availability of Different Forms of Copper

Joe A Vinson, 1986 (Unpublished)

1-Year Follow-Up Antioxidant Supplementation

Published: Irish Journal of Medical Science(1993) . 162 No.7. P285"Cell Kinetics of Selenium & Vitamin C in Subjects with Adenomatous Polyps",R.J Cahill, K O'Sullivan, J. Beattie, H.Hamilton, C O'Morain. 


European Journal of Cancer Prevention; 1993

Human Bioavailability of Sodium Selenite & High Selenium Yeast.

Joe A Vinson, 1987 (Unpublished)

Magnesium Absorbtion with different kinds of Magnesium

Joe A Vinson, 1986 (Unpublished)

Probiotic's Survival in the Gut

A clinical trial to show the survival of Probiotic (Grown By Nature formula*) through  the stomach

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