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The stomach and digestive tract serve multiple roles in the body, including digestive, protective, and immune functions. In fact, every second of every day there is a constant battle going on between the good and negative bacteria in the digestive tract. Imbalances to this complex system can lead to a litany of symptoms, including pain, cramping, poor immunity, flatulence, bloating, indigestion and constipation/diarrhea. Natural supplementation can be an effective agent in supporting and healing your digestive system.
L-Glutamine - 60 Capsules
L-Glutamine 500 mg capsules contain 500 mg of pure crystalline L-glutamine.
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*FDA Disclaimer: The information about this prod...
L-Glutamine - 60 Capsules
$15.50
L-Glutamine 120 Vegetarian Capsules
Free-Form Glutamine for Healthy Gut Barrier Function*
Delivers free-form L-glutamine to support healthy mucosal cell function in the GI tract and immune health.*
Gluten Free Dairy Free Soy Free Vegetarian Non-GMO Vegan
Designs for Health's logo, text, trademarks, graphics, and photo images...
L-Glutamine 120 Vegetarian Capsules
$49.99
L-Glutamine Powder
Free Form Glutamine for Healthy Gut Barrier Function*
Delivers free-form L-glutamine to support healthy mucosal cell function in the GI tract and immune health.* Offered as a powder for individuals with difficulty swallowing.
Gluten Free Dairy Free Soy Free Vegetarian Non-GMO Vegan
Designs...
L-Glutamine Powder
$58.99
L-Glutamine Powder - 250 Grams
A key amino acid for intestinal health and immune function, providing 4 g of pure L-glutamine per serving.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer:...
L-Glutamine Powder - 250 Grams
$51.00
L-Glutamine Powder - 90 Scoops
L-glutamine, the most prevalent amino acid in the bloodstream, is found in high concentration in the gastrointestinal tract, which is the greatest user of glutamine. Many factors can play a part in the depletion of glutamine, such as food allergies, and various bodily insults like injury, infect...
L-Glutamine Powder - 90 Scoops
$40.41
L-Glutamine Powder 200 Grams (7.1 oz.)
L-Glutamine Supplement
L-glutamine. Free form amino acid, high purity, well tolerated. L-glutamine supports the development of enterocytes, a type of cell that is plentiful in the epithelial lining of the gastrointestinal tract.* L-glutamine also supports muscle glycogen stores, growth ...
L-Glutamine Powder 200 Grams (7.1 oz.)
$65.39
L-Glutamine Powder 500 Grams, powder
L-Glutamine is the most abundant amino acid (building block for proteins) with varying benefits. One of L-Glutamine’s great benefits is in supporting the mucosal lining of your digestive tract which supports the healthy function of the gastrointestinal tract.‡
Another benefit of L-Glutamine is i...
L-Glutamine Powder 500 Grams, powder
$42.00
Lactobacillus 100 Vegetarian Capsules
Lactobacillus Plantarum Rhamnosus Salivarius Supplement
Contains three hardy strains of the friendly lactobacillus probiotic bacteria. This may be a more appropriate product for individuals who do not derive benefit from less hardy strains of lactobacillus such as acidophilus.* Lyophili...
Lactobacillus 100 Vegetarian Capsules
$37.29
Licorice DGL Pro
Same great formula now under the NutriDyn brand with a new sku.Licorice DGL Pro is a targeted digestive support formula featuring a clinically researched blend of ingredients designed to promote gut health and soothe the digestive tract.◆ With deglycyrrhizinated licorice (DGL), L-glutamine, gly...
Licorice DGL Pro
$22.75
Licorice Root Extract 400mg
Licorice Root Extract is an adaptogenic herb that helps maintain balanced levels of adrenal hormones, to help support stress resistance and energy.* Licorice Root Extract helps maintain healthy lung tissue and supports smooth muscle health.* Licorice is also a demulcent botanical that soothes ...
Licorice Root Extract 400mg
$28.99
Lipase Concentrate-HP
Microbial enzyme that aids in the digestion of fats*
Lipase Concentrate-HP is pH-stable and active in both acid and alkaline conditions. As a result, this formula supports the digestion of fats in gastrointestinal pH conditions.*
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Lipase Concentrate-HP
$25.25
Lobelia Plex 30ml Liquid
Plex Remedies are condition-specific homeopathic specialties prepared in low dilutions and are recommended for acute and chronic ailments. The product range helps support: the digestive, hormonal, immune, musculoskeletal, nervous, respiratory, skin, oral and vascular systems. Established over ha...
Lobelia Plex 30ml Liquid
$26.80
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