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Fayetteville, Arkansas, USA
Serving the Natural Health Community since 1985
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Sue Reynolds, Master Herbalist
Sue Reynolds, M.S.W.
Lifestyle and Health Coach
Master Herbalist

Updated February 15, 2020
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Read our blog for helpful information.

Herbs and Supplements

Nature's Sunshine Nutritional Supplements

pH Test Strips

How is Your pH? Learn how to check and maintain it.


Siberian Chaga Mushroom


Detailed Mineral Analysis

Heavy Metal Levels

Includes Phone Consultation

Take this simple quiz, to find out what areas of your body may require particular attention.

DaVinci Labs


and Life

Nutritional Guidance

Remove Blocks that Prevent Your Goals

Air Oasis

Air Oasis UV Purifier

The information provided on this site is for educational purposes and not for diagnosing or treating disease. If you are experiencing a serious health condition, please consult a qualified health professional.

Testimonial -- Recycled Air on Airlines
Have you ever felt that "blah" feeling following a long plane flight--the feeling you get after living on recycled air for a while? Here's a great prevention method. We dip a cotton swab into a bottle....

Indole-3 Carbinol

I3C is an antioxidant found in the cell walls of cruciferous vegetables, i.e. broccoli, cauliflower, cabbage and brussels sprouts.


Category:     Vitamins, Minerals, and Phytonutrients
Body System:     Glandular System

 Stock#   Quantity   Retail   Wholesale  Purchase 
1506 60 Count $50.65 $33.75

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Rely on the Strength of Vegetables

Indole-3-Carbinol (I3C) is one of the reasons why your mother insisted that you eat your brussels sprouts. I3C is a powerful antioxidant found in the cell walls of cruciferous vegetables, i.e. broccoli, cauliflower, cabbage and brussels sprouts. This antioxidant is especially helpful in the metabolism of estrogens, and in protecting breast tissue and reproductive organs from cell damage.


  • Fights free radical damage.
  • Protects estrogen-influenced organs.
  • Supports the musculoskeletal system.
  • Maintains hormonal and genetic balance in cells.

Our Product Advantage
Indole-3-Carbinol is formulated in a base of broccoli sprout and broccoli powder, a known source of indoles, for added cell protection. NSP guarantees a total dietary indole content of 200 mg per serving.

Each capsule contains indole-3 carbinol in a base of watercress. Supplies 200 mg total dietary indole content.

Take 2 capsules daily with a meal.

Complementary Products

     Nutritional:   Breast Assured, Men's Formula, Super Antioxidant
     Homeopathics:   Menopause, Feminine Tonic, Inflammation
     Essential Oils:   Marjoram, Rose Bulgaria, Deep Relief

How Does it Work?
The compounds in cruciferous vegetables that protect cells from oxidative damage are called indoles, among them are I3C and its metabolites. These compounds work by binding to or activating certain receptors in the body to protect cells. I3C also acts as an antioxdant, helping to rid the body of oxidative damage caused by free radicals.

Scientific Data
Both indole-3-carbinol and watercress have been the focus of scientific studies because of their role in protection against cell damage. Reports indicate that I3C supports the natural elimination of toxins from the liver, increases the body’s natural metabolism of hormones and helps maintain normal hormone levels.

I3C is patented for alleviating sore muscles and fatigue (1). Applications for PMS and menopause are patent-pending.


(1) Andrus, G.M., Afrrman, K., 1999 United States Patent 5,895,787, April 20.

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