Maxi Health Vitamin D3, 1000 IU supplement bottle
Maxi Health

Vitamin D3, 1000 IU

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 25 mcg 125%
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid
  • Enzymax® (calcium carbonate, bromelain, papain, lipase, amylase, protease, silica)
  • Magnesium Stearate
  • Croscarmellose Sodium
  • Aqueous film coating (purified water, hydroxypropyl methylcellulose, vegetable glycerin)
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 25 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 25 mcg 125%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Enzymax® (calcium carbonate, bromelain, papain, lipase, amylase, protease, silica) Unknown
Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Aqueous film coating (purified water, hydroxypropyl methylcellulose, vegetable glycerin) Unknown

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
Maxi Health

Founded 1974 · Brooklyn, NY, USA · 45 products · maxihealth.com

Certifications

2 certifications
Consumerlab Verified Source
Kosher Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Prop 65 Cadmium, Lead and lead compounds, Mercury and mercury compounds, Perfluorooctanoic Acid (PFOA)2025-12-19Source
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Frequently Asked Questions
Is Maxi Health Vitamin D3, 1000 IU a good supplement?

Maxi Health Vitamin D3, 1000 IU received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients Of the 7 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Maxi Health, holds a brand trust score of 66/100 with 2 verified certifications including Consumerlab, Kosher Certified.

What are the ingredients in Maxi Health Vitamin D3, 1000 IU?

Maxi Health Vitamin D3, 1000 IU contains 1 active ingredients: Vitamin D3 (25 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Maxi Health Vitamin D3, 1000 IU safe to take?

Maxi Health Vitamin D3, 1000 IU 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 Maxi Health a trustworthy supplement brand?

Maxi Health receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1974 and headquartered in Brooklyn, NY, USA, the company offers 45 products in their lineup. They hold 2 verified certifications including Consumerlab, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Maxi Health 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.