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Essential 1 2000 IU Vitamin D3

product on market Capsule ProCaps Laboratories Safety: 99/100
99/100

This product looks safe

  • Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)
  • 70% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, D3, E, and B1, which are supported by strong evidence for maintaining immune function and cellular health. These essential nutrients play critical roles in bone density and antioxidant protection. The ingredient profile is associated with a high safety score of 99/100.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Essential 1 2000 IU Vitamin D3
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
400
Servings
Other Combinations
Product Type
70%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
300 mcg RAE (33% DV)
Vitamin C
200 mg (222% DV)
50 mcg (250% DV)
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
60 mg (400% DV)
4.0× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
10 mg (833% DV)
8.3× RDA — above typical dose 76 studies (A:0, B:33)
10 mg (769% DV)
7.7× RDA — above typical dose 13 studies (A:0, B:1)
20 mg (125% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
20 mg (400% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews
10 mg (588% DV)
7.7× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
100 mcg (4167% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
400 mcg DFE (100% DV)
Exceeds UL by 400.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
1200 mcg (4000% DV)
40.0× RDA — above typical dose 27 studies (A:0, B:11)
Calcium
80 mg (6% DV)
40 mg (10% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
15 mg (136% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
150 mcg (273% DV)
2.7× RDA — within safe limits 173 studies (A:0, B:67)
1 mg (111% DV)
1.1× RDA — within safe limits 37 studies (A:0, B:11)
2.3 mg (100% DV)
Within RDA (1.0× RDA) 9 studies — no high-quality reviews
120 mcg (343% DV)
3.4× RDA — above typical dose 199 studies (A:1, B:55)
75 mcg (167% DV)
1.7× RDA — within safe limits 3 studies — no high-quality reviews
100 mcg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
50 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
1 mg
Market median: 10.0mg (105 products) 2 studies (A:0, B:1)
1 mg
Market median: 10.0mg (35 products) 6 studies (A:0, B:2)
Market median: 4.0mg (32 products)
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
3 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)

Other Ingredients

Gelatin Capsule Proprietary Protective Methyl B12 Matrix
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use consume one capsule daily or as recommended by your physician. As with any dietary supplement, this product is most effective as part of a healthy diet and active lifestyle. For questions about the use of this product call 800.332.7799.

One daily capsule

Formulation Notes

For over 40 years Unsurpassed purity, quality and efficacy 100% solar production | Zero carbon footprint

100% solar Ultra-high potency Always gentle Easy to swallow

2000 IU Vitamin D3 100 mcg Methyl B12 1200 mcg Biotin 400 mcg Methyl folate Lutein Lycopene Zeaxanthin

Andrew Lessman's Essential One delivers the world's most advanced single capsule multivitamin. Essential One is a pure healthy alternative to all the problems of typical multivitamins. Our small, easy-to-swallow capsule eliminate the additives and upset stomachs of hard-to-swallow multivitamins. We also ensure that all key nutrients are provided in their proper forms and at their most beneficial levels. Essential One provides high potencies of Vitamin D3 (2,000 IU), Methyl B12 (100 mcg), along with a complex B-complex, including our unique 5-Methyl Folate and 40 times more Biotin (for beauty) than the leading brands. We provide all of the costly carotenoids; Lutein, Lycopene and Zeaxanthin; along with a dozen other essential nutrients. Essential One is gentle even to the most sensitive stomachs providing all the convenience and affordability you seek in a multivitamin without the stomach upset, additives and other problems of large, hard-to-swallow and difficult to digest typical multivitamin tablets.

Contains no additives of any kind Contains no milk, soy, yeast, wheat, gluten, sodium, salt, sugar, fat, cholesterol, color, preservative, common allergens or manufacturing additives.

Additional Information

We remain uniquely committed to you and the planet. You have my unwavering promise. Andrew Lessman, Founder Questions? | Reorders 800.800.1200 www.Procapslabs.com HSN www.HSN.com 800.944.9999 www.QVC.com 800.345.1515

Metadata

Product Details

UPC / SKU738947
DSLD Entry Date2021-05-22
Product TypeOther Combinations
FormCapsule
BrandProCaps Laboratories
DSLD ID248424
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.