Nature's Flavors

Sells a variety of natural flavors and oils.
http://www.naturesflavors.com/

Dixie Diners' Club

Choose from a variety of soy based health foods, packaged meals and related items.
http://dixiediner.com/

eFood Pantry

Specialty and diet-modified foods, searchable by category: diabetic, Pritiken, organic.
http://www.efoodpantry.com/

Awesome Brands Distribution Company

Offers fat free bars as well as muffin and pizza dough mixes.
http://www.awesomebrands.com

Healthy Heart Market

A source for a wide variety of low sodium food products. Information, tips and recipes useful to heart patients.
http://mgrsti5267r.seamlesstech.biz/Merchant/Home.htm

Betty Lou's

Healthy, all natural snack products; low carb, all natural, dairy, gluten, and wheat free. Protein bars.
http://www.bettylousinc.com/

The Dietary Shoppe, Inc.

A retail and web based store with a large selection of gluten-free or gluten and casein-free, low sodium or sugar-free foods.
http://dietaryshoppe.com/

Dietary Specialties

Distributor of gluten-free and low-protein foods, with product guides, and resource links.
http://www.dietspec.com/

HSC Specialty Food Shop

Products for individuals on special diets, including allergy, gluten-free, low-protein, dysphagia, and infant formulas. Owned and operated by The Hospital for Sick Children.
http://www.sickkids.on.ca/sfs_site/

Kingsmill Foods

Gluten free, wheat free, egg free, milk free, allergy sensitive, low protein and lactose reduced foods for special dietary needs. Worldwide shipping.
http://www.kingsmillfoods.com/

Ener-G Foods

Products free of gluten, wheat, egg, and dairy, and products for low protein diets. Includes a resources directory.
http://www.ener-g.com/

All Diet Foods

Offers sugar free, fat free and low carb products. Includes recipes, newsletter and ask the nutritionist feature.
http://www.alldietfoods.com

Shopbydiet.com

Food and products for gluten-free, wheat-free, dairy-free, lactose-free, nut-free , low carbohydrate, vegan, vegetarian, low fat, kosher, and other restricted diets.
http://www.shopbydiet.com