Gastrex by Standard Process: Digestive Relief, Support, Uses and Safety
In my holistic practice, I talk with a lot of clients who struggle with occasional digestive discomfort. Good gut health is the foundation of overall wellness, so I’m always looking for natural ways to support the stomach and intestines. Gastrex by Standard Process is one supplement I often reach for because it provides gentle, targeted support for the digestive tract.
Below, I’ll walk you through what’s in Gastrex, how it works, who may benefit, possible side effects, and how to use it safely and confidently.

Key Benefits of Gastrex
Gastrex combines vitamins, minerals, and a unique blend of whole food ingredients. Together, these support healthy digestion and help settle the stomach.
Foundational Nutritional Support
Each dose includes helpful nutrients such as:
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Vitamin C: Supports immune function and tissue repair.
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Niacin: Helps with digestion, energy production, and skin health.
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Vitamin B6: Supports brain function and energy conversion from food.
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Sodium: Helps regulate fluid balance and nerve function.
These nutrients work behind the scenes to support overall wellness.
Support for the Digestive Tract
Gastrex also contains a 580 mg proprietary blend. Each ingredient has a simple, natural purpose:
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Okra: Gentle fiber that helps soothe and support the gut.
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Spanish moss: Traditionally used to calm irritation.
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Anise: Helps reduce gas and bloating.
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Bovine liver: Provides natural B vitamins and iron.
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Porcine stomach and porcine duodenum: Natural sources of digestive enzymes.
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Calcium lactate: Easily absorbed calcium.
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Defatted wheat germ: Source of vitamin E and B vitamins.
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Choline bitartrate: Supports liver health and normal fat metabolism.
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Alginic acid: Helps coat the stomach to ease discomfort.
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Oat straw extract: Supports digestive comfort and healthy cholesterol levels.
Together, these ingredients support the stomach lining, digestion, and nutrient absorption.
How I Use Gastrex in Practice
In both human and pet wellness, I look for gentle ways to calm the stomach and support the gut. Gastrex fits well into this approach. I often use it for people who experience:
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Occasional bloating
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Mild digestive discomfort after meals
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Feeling “off” in the stomach
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Irregular bowel habits
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Trouble absorbing nutrients from food
Helpful Ways Gastrex Supports Your Gut
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Encourages healthy stomach function
Helps keep digestion moving in a calm, steady way. -
Supports nutrient absorption
Whole food ingredients make nutrients more usable for the body. -
Offers mild digestive comfort
Good for anyone with occasional sensitivity after certain foods. -
Promotes regularity
Gentle support for those who struggle with irregular bowel movements.

Supplement Facts and Ingredient Details
Here is the full breakdown of what you are putting into your body.
Nutritional Content (per 2 capsules)
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Vitamin C: 3 mg
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Niacin: 6.4 mg
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Vitamin B6: 0.1 mg
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Sodium: 10 mg
Full Ingredient List
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Okra
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Calcium lactate
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Spanish moss
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Anise seed
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Bovine liver
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Defatted wheat germ
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Porcine stomach
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Choline bitartrate
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Alginic acid
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Porcine duodenum
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Disodium phosphate
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Oat straw extract
Other ingredients: gelatin, water, niacinamide, calcium stearate, ascorbic acid, pyridoxine hydrochloride.
Each ingredient plays a specific role, especially when it comes to digestion, stomach lining support, and natural enzyme activity.
Possible Side Effects of Gastrex
Most people do very well with Gastrex. Still, it is always smart to know what to expect.
Possible mild side effects:
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Temporary bloating
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Mild gas
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Slight changes in bowel habits
These usually improve as your system adjusts.
When to Avoid Gastrex
Do not use Gastrex if you have:
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An allergy to bovine liver or porcine ingredients
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A known sensitivity to wheat germ
If you are unsure, start slowly or check in with your practitioner.
Is Gastrex Gluten Free?
No. Gastrex contains defatted wheat germ, so it is not gluten free.
This is important if you have celiac disease or gluten sensitivity. If you need a gluten free alternative for digestive support, I am happy to help you find one.

Where to Buy Gastrex
You can purchase Gastrex directly through my secure online store. I am an authorized Standard Process provider, which means you receive fresh, authentic supplements that meet quality and safety standards.
Shopping through an authorized retailer also ensures proper storage, product tracking, and up-to-date expiration dates.
FAQs About Gastrex
What does Gastrex help with?
It helps settle the stomach, support digestion, ease occasional bloating, and encourage healthy nutrient absorption.
How do I take Gastrex?
Most adults take 2 capsules per dose. Your practitioner may adjust based on your needs.
Can I take Gastrex every day?
Yes. Many people use it daily for ongoing digestive comfort.
Does Gastrex contain enzymes?
Yes. The porcine stomach and duodenum supply natural enzymes that help break down food.
Is Gastrex safe for sensitive stomachs?
In most cases, yes. Start with a low dose if you tend to be sensitive.
Can I combine Gastrex with other Standard Process supplements?
Yes. Gastrex pairs well with Zypan, Betafood, or Multizyme for targeted digestive support. If you want help choosing a combination, I can guide you.
Is Gastrex appropriate during pregnancy?
Always check with your healthcare provider before starting any new supplement during pregnancy or breastfeeding.
Gastrex®, 90 Capsules
Description
- Supports the body’s normal tissue repair process*
- Supports GI cleansing through the elimination of waste materials*
- Excellent source of niacin
Suggested Use:
Two capsules with a full glass of water 15 minutes before meals and bedtime, or as directed.
Warnings: If pregnant or nursing or have any health condition, consult your health care professional before using this product. Keep out of reach of children.
Nutrients & Ingredients
Nutrients & Ingredients – Each Serving Size (2 Capsules) contains: Vitamin C 3 mg, Niacin 6.4 mg, Vitamin B6 0.1 mg, Sodium 10 mg. Proprietary Blend 580 mg: Okra (fruit), calcium lactate, Spanish moss (Tillandsia usneoides), anise (seed), bovine liver, defatted wheat germ, porcine stomach, choline bitartrate, alginic acid, porcine duodenum, disodium phosphate, and oat (straw) extract. Other Ingredients: Gelatin, water, niacinamide, calcium stearate, ascorbic acid, and pyridoxine hydrochloride. Contains: Wheat.
Please consult the actual product label for the most accurate product information.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.