LifeSeasons Vitamin D3 25 mcg supplement bottle
LifeSeasons

Vitamin D3 25 mcg Review

What We Researched
1 active ingredient analyzed · 10 inactive ingredients decoded · 1 brand certification checked · Last updated: Aug 2026
100
Product Score Excellent
66
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 25 mcg
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Dibasic Calcium Phosphate
  • Lemon Flavor
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Malic Acid
  • Citric Acid
  • Rice Starch
  • Stevia Leaf Extract
  • Silica
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 25 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 25 mcg

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.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Lemon Flavor Generally_safe

It is used to improve the taste of supplements.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Rice Starch Generally_safe

It is used as a filler or binder in supplements.

Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
LifeSeasons

Founded 2009 · Lewisville, Texas, United States · 85 products · lifeseasons.com

Certifications

1 certification
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Contains Proprietary Blend — True

Violation History

2 incidents
Prop 65 Not specified in the notice2025-09-08Source
Recall LifeSeasons Blood Nourish-R2021-04-28Source
Related Supplements
Frequently Asked Questions
Is LifeSeasons Vitamin D3 25 mcg a good supplement?

LifeSeasons Vitamin D3 25 mcg 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 with 100 servings per container. Of the 10 inactive ingredients, 7 are rated safe and 0 are flagged for review. The manufacturer, LifeSeasons, holds a brand trust score of 66/100 with 1 verified certifications including NSF Certified.

What are the ingredients in LifeSeasons Vitamin D3 25 mcg?

LifeSeasons Vitamin D3 25 mcg 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 LifeSeasons Vitamin D3 25 mcg safe to take?

LifeSeasons Vitamin D3 25 mcg 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 LifeSeasons a trustworthy supplement brand?

LifeSeasons receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Lewisville, Texas, United States, the company offers 85 products in their lineup. They hold 1 verified certifications including NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: LifeSeasons has 2 historical regulatory incidents 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 150,000 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. 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.