Overview#
Nature’s Sources is a family-owned dietary supplement company founded in 1995 by Lee Frank in Niles, Illinois. The company pioneered the first 100% plant-based human digestive enzyme formula in the United States under the AbsorbAid brand.
Key Facts#
- Founded: 1995
- Founder: Lee Frank
- Headquarters: 5665 W. Howard St., Niles, IL 60714
- CEO: John Zapfel
- Product Count: 10 (DSLD)
- Market Focus: Digestive enzymes, candida care, probiotics
Sub-Brands#
| Sub-Brand | Category | Notes |
|---|---|---|
| AbsorbAid | Digestive Enzymes | Flagship product line since 1995; clinically tested at Mayo Clinic |
| Kolorex | Candida Care | Exclusive U.S. distributor; New Zealand Horopito-based |
| Rite Zyme | Animal Enzymes | Digestive enzymes for dogs, cats, and horses |
Product Lines#
AbsorbAid (Digestive Enzymes)#
- AbsorbAid Original (90, 240 caps; 100g powder)
- AbsorbAid Platinum (60, 120 caps) - 12 enzymes + 2 probiotics
Kolorex (Candida Care)#
- Kolorex Advanced Candida Care
- Kolorex Cranberry & Horopito for Women
- Kolorex Gut Care, Vaginal Care, Derma Care
Clinical Validation#
AbsorbAid has been tested by:
- Mayo Clinic - Nutrient absorption studies
- Roche Laboratories - Clinical validation
- American College of Nutrition - Published research
Claims to increase vital nutrient absorption by up to 71%.
Distribution#
Products available in 8,000+ retail locations including:
- Amazon, Walmart, Whole Foods
- Swanson Vitamins, Vitacost, PureFormulas
- Distributors: Emerson Ecologics, Threshold Enterprises
Data Sources#
- Nature’s Sources Official Website
- Vitamin Retailer Buyer’s Guide
- NIH Dietary Supplement Label Database (DSLD)
Generated by DogTag | Last verified: 2025-12-30
Live Data (Census)
E-Commerce Presence
Amazon
4 products
iHerb
0 products
Regulatory Data (DSLD)
- Total Products
- 10
- Brand Variants
- Nature's Sources (10 products)
Product Types
- 8 Non-Nutrient/Non-Botanical
- 2 Botanical
Dosage Forms
- 5 Capsule
- 3 Softgel Capsule
- 2 Powder
Core Ingredients (Top 5)
- 6 Proteolytic Enzymes (Proteases)
- 6 Lipase
- 6 Lactase
- 6 Cellulase
- 6 Amylase