Home/ Supplements/ Vitamin A/ Mega Daily 4 for Men

Mega Daily 4 for Men

product on market Tablet or Pill Nikken Wellness Kenzen Safety: 98/100
98/100

This product looks safe

  • Niacinamide: 75mg is 2.1× the Tolerable Upper Intake Level (35mg)
  • Zinc: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)
  • 67% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains a blend of essential fat-soluble and water-soluble vitamins. Strong research evidence supports the roles of vitamins A, C, D, E, and K in supporting immune function and bone health. These ingredients are generally well-tolerated, reflecting the product's high safety score.

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

Alerts

Safety Alerts

Niacinamide: 75mg is 2.1× the Tolerable Upper Intake Level (35mg)

Zinc: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)

Label

Product Label

Label for Mega Daily 4 for Men
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
5000 IU (100% DV)
Vitamin C
318 mg (530% DV)
400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
50 IU (167% DV)
2.2× RDA — within safe limits 179 studies (A:3, B:90)
80 mcg (100% DV)
Within RDA (0.7× RDA) 275 studies (A:9, B:175)
5 mg (333% DV)
4.2× RDA — above typical dose 76 studies (A:0, B:33)
15 mg (882% DV)
11.5× RDA — above typical dose 13 studies (A:0, B:1)
75 mg (375% DV)
Exceeds UL by 2.1× (UL: 35 mg) 196 studies (A:5, B:63)
20 mg (1000% DV)
15.4× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
500 mcg (125% DV)
1.2× RDA — within safe limits 226 studies (A:10, B:105)
50 mcg (833% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (100% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
20 mg (200% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
800 mg (80% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
100 mg (25% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
50 mg (333% DV)
Exceeds UL by 1.2× (UL: 40 mg) 263 studies (A:6, B:134)
200 mcg (286% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
2 mg (100% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
2 mg (100% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
180 mcg (150% DV)
5.1× RDA — above typical dose 199 studies (A:1, B:55)
750 mcg
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)
Prostate Blend
612 mg
organic Vegetable Blend
427 mg
Energy Blend
245 mg
Cholesterol Blend
27 mg

Other Ingredients

Calcium Carbonate Cellulose Stearic Acid Magnesium Stearate Carbomer homopolymer
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended Use: Take four (4) tablets daily.

Warnings & Precautions

If you are allergic to any of these ingredients, or are pregnant or nursing, consult a physician before taking this or any other dietary supplement.

Keep out of reach of children.

Do not use if safety seal under cap is broken or missing.

If you are allergic to any of these ingredients, or are pregnant or nursing, consult a physician before taking this or any other dietary supplement.

Additional Information

Store in a dry place at room temperature.

This product is not intended to diagnose, treat, cure or prevent any disease.

Made in USA

#1569 rev 2/18

Foundation of Overall Health

Metadata

Product Details

UPC / SKU#1569
DSLD Entry Date2019-04-25
Product TypeOther Combinations
FormTablet or Pill
BrandNikken Wellness Kenzen
DSLD ID200768
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.