tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement supplement bottle
tnvitamins

TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement

What We Researched
1 active ingredient analyzed · 8 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Oat Bran (Avena sativa) (Whole Oats) 1000.0 mg
Bioavailability Excellent

Absorption Rating

  • Oat Bran (Avena sativa) (Whole Oats) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Di-Calcium Phosphate
  • Silica
  • Maltodextrin
  • Magnesium Stearate
  • Stearic Acid
  • Croscarmellose Sodium
  • Pharmaceutical Glaze
Efficacy Very Poor

Dosage Analysis

  • Oat Bran (Avena sativa) (Whole Oats) 1000.0 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Oat Bran (Avena sativa) (Whole Oats) 1000.0 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Di-Calcium Phosphate Generally_safe

It is used as a filler or source of calcium and phosphorus.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 $24.99
Target

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

Brand Trust Report
tnvitamins

Founded 1979 · Deer Park, NY, USA · 136 products · tnvitamins.com/

Certifications

1 certification
Consumerlab Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Fda Warning Significant violations of Current Good Manufacturing Practice (CGMP) regulations for dietary supplements.2017-08-16Source
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Frequently Asked Questions
Is tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement a good supplement?

tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 365 servings per container. Of the 8 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, tnvitamins, holds a brand trust score of 62/100 with 1 verified certifications including Consumerlab.

What are the ingredients in tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement?

tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement contains 1 active ingredients: Oat Bran (Avena sativa) (Whole Oats) (1000.0 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement safe to take?

tnvitamins TNVitamins Oat Bran Tablets 1000 mg | 365 Count Oat Fiber Supplement 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 tnvitamins a trustworthy supplement brand?

tnvitamins receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Deer Park, NY, USA, the company offers 136 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: tnvitamins has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

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.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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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.