Nature Made TripleFlex 50+ supplement bottle
Nature Made

TripleFlex 50+

What We Researched
5 active ingredients analyzed · 16 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
81
Product Score Good
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 750 IU 188%
Calcium 200 mg 20%
Glucosamine Hydrochloride 1.5 g
Chondroitin Sulfate 800 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 Good
  • Calcium Good
  • Glucosamine Hydrochloride Fair
  • Chondroitin Sulfate Good
Other Ingredients Good

Fillers & Additives

  • Glucosamine Hydrochloride
  • Sodium Chondroitin Sulfate
  • Calcium Citrate
  • Calcium Carbonate
  • Cellulose Gel
  • Crospovidone
  • Hypromellose
  • Color Added Medium
  • Silicon Dioxide
  • Magnesium Stearate
  • Polyethylene Glycol Low
  • Triethyl Citrate
  • Polysorbate 80 Medium
  • Gelatin
  • Corn Starch
  • Vitamin D3
Efficacy Very Good

Dosage Analysis

  • Vitamin D3 750 IU Effective
  • Calcium 200 mg Under-dosed
  • Glucosamine Hydrochloride 1.5 g Effective
  • Chondroitin Sulfate 800 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 750 IU 188%
Calcium 200 mg 20%
Sodium 75 mg 3%
Glucosamine Hydrochloride 1.5 g
Chondroitin Sulfate 800 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Glucosamine Hydrochloride Unknown
Sodium Chondroitin Sulfate Unknown
Calcium Citrate Safe

It provides a source of calcium.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Cellulose Gel Generally_safe

It is used as a thickening agent to improve the texture of supplements.

Crospovidone Generally_safe

It is used as a binder to help tablets or capsules disintegrate.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Color Added Caution

It is used to improve the appearance of the supplement.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Triethyl Citrate Generally_safe

It is used as a plasticizer or solvent.

Polysorbate 80 Caution

Helps mix oil and water-based ingredients.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Vitamin D3 Safe

It is added to supplements to provide vitamin D, which is essential for bone health and immune function.

Price Comparison

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

Brand Trust Report
Nature Made

Founded 1971 · West Hills, California, USA · 161 products · naturemade.com

Certifications

4 certifications
Consumerlab Verified Source
Labdoor Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Lawsuit Presence of toxic plastic chemicals in prenatal multivitamins.2025Source
Recall Specific lots of Nature Made Adult Gummies Multi, Multi + Omega-3, Multi for Her plus Omega-3s, and Super B Complex w/C & Folic Acid2016-06-15Source
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Frequently Asked Questions
Is Nature Made TripleFlex 50+ a good supplement?

Nature Made TripleFlex 50+ received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 5 active ingredients with 30 servings per container. Of the 16 inactive ingredients, 7 are rated safe and 3 are flagged for review. The manufacturer, Nature Made, holds a brand trust score of 86/100 with 4 verified certifications including Consumerlab, Labdoor, Usp Verified, Fda Gmp Inspections.

What are the ingredients in Nature Made TripleFlex 50+?

Nature Made TripleFlex 50+ contains 5 active ingredients: Vitamin D3 (750 IU), Calcium (200 mg), Sodium (75 mg), Glucosamine Hydrochloride (1.5 g), Chondroitin Sulfate (800 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature Made TripleFlex 50+ safe to take?

Nature Made TripleFlex 50+ has been analyzed for ingredient safety across all its components. Of 16 inactive ingredients, 7 are rated safe. 3 ingredients are flagged for review: Color Added, Polyethylene Glycol, Polysorbate 80. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature Made a trustworthy supplement brand?

Nature Made receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in West Hills, California, USA, the company offers 161 products in their lineup. They hold 4 verified certifications including Consumerlab, Labdoor, Usp Verified, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature Made has 2 historical regulatory incidents on record, which are factored into the trust score.

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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.