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Essential 1

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)
  • 71% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains a blend of essential vitamins that support immune function, skin health, and metabolic processes. There is strong clinical evidence for the roles of vitamins A, C, D3, and E in maintaining cellular health and antioxidant defense. The ingredient profile is associated with a high safety score.

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
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
360
Servings
Other Combinations
Product Type
71%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
200 mcg RAE (22% DV)
Vitamin C
200 mg (222% DV)
25 mcg (125% DV)
1.7× RDA — within safe limits 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)
Market median: 100.0mg (283 products) 144 studies (A:1, B:64)
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 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 with food, preferably a complete meal.

Formulation Notes

Since 1979, Unsurpassed purity, quality and efficacy. 100% Solar production Zero-carbon footprint 100% Solar

1000 IU Vitamin D3 100 mcg Methyl B12 1200 mcg Biotin 400 mcg Methyl Folate Lutein Lycopene Zeaxanthin Coenzyme Q-10 Ultra-High Potency

One daily capsule Always gentle Easy-to-swallow

ESSENTIAL ONE is the world’s most advanced single capsule multivitamin. It is a uniquely pure alternative to all the problems and additives of multivitamin tablets and gummies. Our small, easy-to-swallow capsules are gentle to even the most sensitive stomachs. We ensure that all key nutrients are provided in their proper forms and at their most beneficial levels. Essential One provides 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 multivitamin tablets or their even more ridiculous, calorie-laden, candy gummy cousins.

Essential One provides high potencies of Vitamin D3 (1,000 IU), Methyl B12 (100 mcg), along with a complete B-Complex, including 5-Methyl Folate (not ordinary Folic Acid) and 40 times more Biotin (for beauty) than the leading brands. We provide all three critical and costly carotenoids; Lutein, Lycopene and Zeaxanthin; along with a dozen other essential nutrients, containing Mother Nature’s most important nutrient for energy production and cellular protection—Coenzyme Q10. We also add Vitamin K2 MK-7, recognized as essential for bone and heart health through its role in regulating calcium metabolism.

Contains no additives or common allergens

Contains No milk, soy, yeast, wheat, gluten, sodium, salt, sugar, fat, cholesterol, color, preservative, common allergens, genetically modified (GMO) ingredients or manufacturing additives.

Additional Information

For questions about the use of this product call 800.800.1200. Questions? Reorder? Andrew Lessman

Percent Daily Values (% DV)

Metadata

Product Details

UPC / SKU842642
DSLD Entry Date2024-12-21
Product TypeOther Combinations
FormCapsule
BrandProCaps Laboratories
DSLD ID320100
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011 PubMed DOI
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016 PubMed DOI
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
View all evidence for Vitamin A →
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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.