MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla, 3.3 lb (1,512 g) supplement bottle
MRM Nutrition

Gainer with Probiotics & Postbiotics, Vanilla, 3.3 lb (1,512 g)

What We Researched
18 active ingredients analyzed · 12 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
71
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0 mcg 0%
Calcium 190 mg 15%
Iron 0 mg 0%
Potassium 190 mg 4%
Niacin 9.3 mg 60%
Bioavailability Excellent

Absorption Rating

  • Vitamin D Good
  • Calcium Good
  • Iron Fair
  • Potassium Good
  • Niacin Good
Other Ingredients Excellent

Fillers & Additives

  • Whey Protein Concentrate
  • Maltodextrin
  • Vitafiber (isomalto-oligosaccharide)
  • Sunflower oil powder (sunflower seed oil, maltodextrin, sodium caseinate, mono and diglycerides, tocopherols, and tricalcium phosphate)
  • Isomaltulose
  • Natural Vanilla Flavor
  • Whey Protein Isolate
  • Micellar Casein
  • Sunflower Lecithin
  • Pure Ocean® Sea Salt
  • Digest-All® enzyme blend (protease 6.0, protease 4.5, peptidase and bromelain)
  • Stevia Leaf Extract
Efficacy Very Poor

Dosage Analysis

  • Vitamin D 0 mcg Under-dosed
  • Calcium 190 mg Under-dosed
  • Iron 0 mg Under-dosed
  • Potassium 190 mg Under-dosed
  • Niacin 9.3 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 350
Total Fat 5 g 7%
Saturated Fat 1.5 g 8%
Polyunsaturated Fat 0.5 g
Monounsaturated Fat 3 g
Trans Fat 0 g
Cholesterol 50 mg 17%
Sodium 170 mg 7%
Total Carbohydrate 50 g 18%
Dietary Fiber 10 g 36%
Total Sugars 7 g
Includes 5 g Added Sugars 10%
Protein 25 g
Vitamin D 0 mcg 0%
Calcium 190 mg 15%
Iron 0 mg 0%
Potassium 190 mg 4%
Niacin 9.3 mg 60%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Whey Protein Concentrate Generally_safe

It is used as a protein source and to add bulk.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Vitafiber (isomalto-oligosaccharide) Unknown
Sunflower oil powder (sunflower seed oil, maltodextrin, sodium caseinate, mono and diglycerides, tocopherols, and tricalcium phosphate) Unknown
Isomaltulose Unknown
Natural Vanilla Flavor Generally_safe

It is used to enhance the taste of the supplement.

Whey Protein Isolate Generally_safe

It is used as a protein source and to add bulk.

Micellar Casein Generally_safe

It is used as a source of protein.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Pure Ocean® Sea Salt Safe

It is used as a source of minerals and electrolytes.

Digest-All® enzyme blend (protease 6.0, protease 4.5, peptidase and bromelain) Unknown
Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$39$38$37$36$35 Mar 12 $36.99
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
MRM Nutrition

Founded 1996 · Oceanside, CA, USA · 111 products · mrmnutrition.com/

Certifications

4 certifications
Consumerlab Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

2 incidents
Prop 65 Lead2024-02-02Source
Fda Warning Sale of unregistered food supplements (MRM Kids Attention! Softgels, MRM Chrysin 500, MRM Relax-All with Venetron, Superfoods by MRM Raw Organic Red Beet Powder, MRM Nutrition Ginkgo B 60mg).2021-02-06Source
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Frequently Asked Questions
Is MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla a good supplement?

MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla, 3.3 lb (1,512 g) received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 18 active ingredients with 18 servings per container. Of the 12 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, MRM Nutrition, holds a brand trust score of 66/100 with 4 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Vegan Certified.

What are the ingredients in MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla?

MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla contains 18 active ingredients: Calories (350), Total Fat (5 g), Saturated Fat (1.5 g), Polyunsaturated Fat (0.5 g), Monounsaturated Fat (3 g), Trans Fat (0 g), and 12 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla safe to take?

MRM Nutrition Gainer with Probiotics & Postbiotics, Vanilla, 3.3 lb (1,512 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is MRM Nutrition a trustworthy supplement brand?

MRM Nutrition receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1996 and headquartered in Oceanside, CA, USA, the company offers 111 products in their lineup. They hold 4 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Vegan Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: MRM Nutrition has 2 historical regulatory incidents on record, which are factored into the trust score.

Do probiotics make you poop?

The effects of supplements on the body vary based on the specific ingredients, dosages, and individual factors. Quality clinical research is the best guide for understanding what supplements actually do versus marketing claims. Be cautious of products that promise dramatic results — legitimate supplements support health gradually, not overnight. Checking the ingredient label, understanding the dosages, and reviewing the scientific evidence are essential steps before starting any supplement. GoodSupp evaluates over 250,000 products based on published research and evidence-based criteria.

What are probiotics good for?

Probiotics Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding probiotics good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Do probiotics help with constipation?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.