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Soy Alert!


Read this article in: French


Confused About Soy?--Soy Dangers Summarized

  • High levels of phytic acid in soy reduce assimilation of calcium, magnesium, copper, iron and zinc. Phytic acid in soy is not neutralized by ordinary preparation methods such as soaking, sprouting and long, slow cooking. High phytate diets have caused growth problems in children.
  • Trypsin inhibitors in soy interfere with protein digestion and may cause pancreatic disorders. In test animals soy containing trypsin inhibitors caused stunted growth.
  • Soy phytoestrogens disrupt endocrine function and have the potential to cause infertility and to promote breast cancer in adult women.
  • Soy phytoestrogens are potent antithyroid agents that cause hypothyroidism and may cause thyroid cancer. In infants, consumption of soy formula has been linked to autoimmune thyroid disease.
  • Vitamin B12 analogs in soy are not absorbed and actually increase the body's requirement for B12.
  • Soy foods increase the body's requirement for vitamin D.
  • Fragile proteins are denatured during high temperature processing to make soy protein isolate and textured vegetable protein.
  • Processing of soy protein results in the formation of toxic lysinoalanine and highly carcinogenic nitrosamines.
  • Free glutamic acid or MSG, a potent neurotoxin, is formed during soy food processing and additional amounts are added to many soy foods.
  • Soy foods contain high levels of aluminum which is toxic to the nervous system and the kidneys.

The above soy dangers and our Myths & Truths About Soy are available in our Soy Alert! trifold brochure for mass distribution.

Studies Showing Adverse Effects of Soy

  1. Studies Showing the Toxicity of Soy in the US Food & Drug Administration's Poisonous Plant Database (7.5M PDF)
  2. Studies Showing Adverse Effects of Dietary Soy, 1939-2008
  3. Studies Showing Adverse Effects of Isoflavones, 1950-2010
Title Filter     Display # 
# Article Title Date Author
1 Advertising and Monkey Business Tuesday, 17 February 2004 Valerie James
2 Atlas Soy-led: Ayn Rand's Take on the Soybean Tuesday, 12 July 2011 Kaayla Daniel, PhD, CCN
3 Babes in Soyland: Natural Products Expo East Sunday, 07 December 2003 Linda Joyce Forristal, CTA, MTA
4 Bad News for the Soy Industry Friday, 27 February 2009 Kaayla T. Daniel, PhD, CCN
5 Charlie's Story Tuesday, 17 February 2004 George Glasser and Anita Knight
6 Colony Collapse Disorder: Soy Tie to Bee Die-Off? Friday, 15 February 2008 Kaayla Daniel, PhD, CCN
7 Committee on Toxicity in Foods and the Environment Sunday, 23 March 2003 Valerie James
8 Complaints About Soy Tuesday, 17 February 2004 Weston A. Price Foundation
9 Cruel and Unusual Punishment: Soy Diet for Illinois Prisoners Friday, 01 May 2009 Weston A Price Foundation
10 Dangers of Dietary Isoflavones At Levels Above Those Found In Traditional Diets Monday, 02 March 2009 Sally Fallon
11 Daniel Back from the Lion's Den Thursday, 24 August 2006 Kaayla T. Daniel, PhD, CCN
12 Effects of Antenatal Exposure to Phytoestrogens on Human Male Reproductive and Urogenital Development Wednesday, 16 November 2005 Bernard Poggi
13 Heart of the Matter : Sulfur Deficits in Plant-Based Diets Thursday, 02 February 2012 Kaayla Daniel, PhD, CCN
14 Manganese Madness Friday, 27 February 2009 David Goodman, PhD
15 More Government Promotion of Soy-Based Infant Formulas Tuesday, 12 February 2013 Sylvia Onusic, PhD
16 Mr. Tofu! Monday, 18 December 2006 Kaayla Daniel, PhD
17 Myths & Truths About Soy Saturday, 01 January 2000 Weston A. Price Foundation
18 Not Milk and Uncheese: The Udder Alternatives Monday, 04 October 2004 Kaayla T. Daniel, PhD, CCN
19 Not So Soy Healthy For The Heart Friday, 13 March 2009 Kaayla T. Daniel, PhD, CCN
20 Not Taking the EWG Pledge Monday, 10 October 2011 Kaayla Daniel, PhD, CCN
21 One Woman's Story Friday, 27 February 2009 Tera
22 Phytoestrogens in Soy Depress Immune Function Friday, 05 December 2003 Sally Fallon
23 Recovery from Soy Part I: A Strategy for Dealing with Soy Allergies Thursday, 14 February 2008 Kaayla T. Daniel, PhD, CCN
24 Reply to Bill Sardi Tuesday, 27 February 2001 Sally Fallon and Mary G. Enig, PhD
25 Reply to Robert Cohen, the Not Milk Man Sunday, 09 February 2003 Andreas Schuld
26 Response to Dr. Mark Hyman Wednesday, 29 September 2010 Kaayla Daniel, PhD, CCN
27 Singing the Blues: Soy Does Zip for Prostate Cancer Patients Wednesday, 11 December 2013 Kaayla Daniel, PhD, CCN
28 Soy Alert! Brochure Monday, 09 March 2009 Weston A. Price Foundation
29 Soy Alert! Campaign Letter 2002 Saturday, 15 June 2002 Weston A. Price Foundation
30 Soy Alert! Update, Fall 2003 Saturday, 06 December 2003 Weston A. Price Foundation
31 Soy Alert! Update, Spring 2003 Wednesday, 02 July 2003 Weston A. Price Foundation
32 Soy Alert! Update, Spring 2004 Sunday, 04 February 2007 Weston A. Price Foundation
33 Soy Alert! Update, Summer 2003 Saturday, 13 December 2003 Weston A. Price Foundation
34 Soy Alert! Update, Summer 2004 Sunday, 15 March 2009 Weston A. Price Foundation
35 Soy Alert! Update, Winter 2003 Saturday, 14 March 2009 Weston A. Price Foundation
36 Soy Alert! Update, Winter 2004 Monday, 24 May 2004 Weston A. Price Foundation
37 Soy and Corn Blends Stop Hunger but not Malnutrition Thursday, 26 March 2009 Kaayla Daniel, PhD, CCN
38 Soy and Osteoporosis: Not a Leg to Stand On Monday, 18 December 2006 Kaayla T. Daniel, PhD, CCN
39 Soy and Sanitation Friday, 21 January 2011 Kaayla Daniel, PhD, CCN
40 Soy and Seizures: Bad News for the Soy Industry Wednesday, 24 April 2013 Kaayla Daniel, PhD, CCN
41 Soy and the Brain Wednesday, 28 April 2004 John MacArthur
42 Soy Bioterrorism Monday, 02 November 2009 Maria Van Heemstra
43 Soy Carbohydrates: The Flatulence Factor Saturday, 06 December 2003 Kaayla T. Daniel, PhD, CCN
44 Soy Formula Panel Caves to Industry Pressure Wednesday, 30 December 2009 Sally Fallon Morell
45 Soy in the News Sunday, 22 March 2009 Kaayla Daniel, PhD, CCN
46 Soy Industry on the Attack Sunday, 16 July 2006 Kaayla T. Daniel, PhD, CCN
47 Soy Infant Formula: Birth Control Pills for Babies Saturday, 19 October 2002 Sally Fallon
48 Soy Infant Formula: Concerns and Recommendations Tuesday, 17 February 2004 Suha Khoury
49 Soy Isoflavones: Panacea or Poison? Friday, 27 February 2009 Mike Fitzpatrick, PhD, MNZIC
50 Soy Lecithin: From Sludge to Profit Wednesday, 25 February 2004 Kaayla T. Daniel, PhD, CCN
51 Soy Recovery: The Toxic Metal Component Friday, 01 May 2009 Kaayla T. Daniel, PhD and Galen D. Knight, PhD
52 Soy to the World Wednesday, 06 April 2011 Kaayla Daniel, PhD, CCN
53 SOY-LING Bacon: Sickening Science Experiment Tuesday, 11 December 2012 Kaayla Daniel, PhD, CCN
54 Soy: Singing the Low-Carb Blues Sunday, 04 March 2007 Kaayla Daniel, PhD
55 Soy: The Dark Side of America's Favorite "Health" Food Tuesday, 17 February 2004 Sally Fallon and Mary G. Enig, PhD
56 Soy: The Quiet Conquest Friday, 27 February 2009 Ilse Oeschlager-Demarest
57 Soyful Tales Wednesday, 31 March 2010 Kaayla Daniel, PhD, CCN
58 Stinky, Slimy and Stringy, but the Healthiest Soyfood Ever Thursday, 27 June 2013 Kaayla Daniel, PhD, CCN
59 Striking at the Soy Heart Health Claim Monday, 30 March 2009 Kaayla Daniel
60 Studies Showing Adverse Effects of Dietary Soy, 1939-2008 Tuesday, 26 August 2003 Weston A. Price Foundation
61 Studies Showing Adverse Effects of Isoflavones, 1950-2010 Tuesday, 26 August 2003 Weston A. Price Foundation
62 Teens Before Their Time Sunday, 08 September 2002 Sally Fallon and Mary G. Enig, PhD
63 The Little Known Soy-Gluten Connection Monday, 28 June 2010 Kaayla Daniel, PhD, CCN
64 The Ploy of Soy Wednesday, 27 September 1995 Sally Fallon and Mary G. Enig, PhD
65 The Promotion of Soy Tuesday, 09 August 2005 Sally Fallon
66 The Soy Controversy Wednesday, 26 May 2004 Mary G. Enig, PhD
67 The Soy-ling of America: Second-Hand Soy from Animal Feeds Friday, 20 July 2012 Kaayla Daniel, PhD, CCN
68 The Tragedy of Soy Infant Formula Saturday, 01 January 2000 Sally Fallon
69 Third International Soy Symposium Monday, 15 March 2004 Sally Fallon
70 Tragedy and Hype: Third International Soy Symposium Sunday, 26 March 2000 Sally Fallon and Mary G. Enig, PhD
71 Trumped Up Success, Trumped Up Benefits Friday, 26 June 2009 Kaayla T. Daniel, PhD, CCN
72 Twelfth International Soy Symposium Tuesday, 15 February 2005 Bill Sanda
73 Whey To Go: Soy Protein Lowers Testosterone in Strength-Training Men Tuesday, 21 January 2014 Kaayla T. Daniel, PhD
74 Why Babies Should Not be Fed Soy Wednesday, 10 February 2010 Gail Elbek
75 Wise Thyroid Tuesday, 27 March 2012 Kaayla Daniel, PhD, CCN & Sylvia Onusic, PhD
76 WISHH-Ful Thinking: New Markets for Soy Products Sunday, 04 March 2007 Kaayla T. Daniel, PhD, CCN