Portions Master Vitamin D-3 125 mcg supplement bottle
Portions Master

Vitamin D-3 125 mcg

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
81
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol) 125 mcg 625%
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as Cholecalciferol) Good
Other Ingredients Good

Fillers & Additives

  • Rice
  • Powder
  • Hypromellose
  • Microcrystalline Cellulose
  • Magnesium Stearate
  • Titanium Dioxide High
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Vitamin D (as Cholecalciferol) 125 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Cholecalciferol) 125 mcg 625%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Unknown
Powder Unknown
Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Microcrystalline Cellulose Safe

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

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 Mar 12 $24.99
GNC

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

Brand Trust Report
Portions Master

· Harrison, Ohio, USA · 15 products · portionsmaster.com/

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Frequently Asked Questions
Is Portions Master Vitamin D-3 125 mcg a good supplement?

Portions Master Vitamin D-3 125 mcg received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients with 90 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 1 are flagged for review.

What are the ingredients in Portions Master Vitamin D-3 125 mcg?

Portions Master Vitamin D-3 125 mcg contains 1 active ingredients: Vitamin D (as Cholecalciferol) (125 mcg). Notable high-dose ingredients include Vitamin D at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Portions Master Vitamin D-3 125 mcg safe to take?

Portions Master Vitamin D-3 125 mcg has been analyzed for ingredient safety across all its components. Of 7 inactive ingredients, 4 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. '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.

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.