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Joint Health Pack

product on market Other (e.g. tea bag) Douglas Laboratories Safety: 88/100
88/100

This product is generally safe

  • Niacin/Niacinamide: 120mg is 3.4× the Tolerable Upper Intake Level (35mg)
  • Manganese: 15mg is 1.4× the Tolerable Upper Intake Level (11mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 54% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains a blend of essential vitamins, including C, D3, and E, which are supported by strong evidence for maintaining cellular health and immune function. Thiamine and Vitamin A provide additional metabolic and antioxidant support. However, the overall evidence coverage for this specific ingredient combination is limited.

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

Alerts

Safety Alerts

Niacin/Niacinamide: 120mg is 3.4× the Tolerable Upper Intake Level (35mg)

Manganese: 15mg is 1.4× the Tolerable Upper Intake Level (11mg)

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Joint Health Pack
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Packet(s)
Serving Size
30
Servings
Other Combinations
Product Type
54%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
20000 IU (400% DV)
Vitamin C
1150 mg (1916% DV)
50 IU (13% DV)
Within RDA (0.1× RDA) 608 studies (A:16, B:251)
200 IU (667% DV)
8.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
50 mg (3333% DV)
41.7× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1471% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
120 mg (600% DV)
Exceeds UL by 3.4× (UL: 35 mg) 196 studies (A:5, B:63)
Vitamin B-6 Complex
25 mg (1250% DV)
800 mcg (200% DV)
2.0× RDA — within safe limits 226 studies (A:10, B:105)
100 mcg (1667% DV)
41.7× 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)
150 mg (1500% DV)
30.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
300 mg (30% DV)
Iron
1.5 mg (8% DV)
300 mg (75% DV)
Within RDA (0.7× RDA) 316 studies (A:8, B:159)
20 mg (133% DV)
1.8× RDA — within safe limits 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)
15 mg (750% DV)
Exceeds UL by 1.4× (UL: 11 mg) 9 studies — no high-quality reviews
200 mcg (167% DV)
5.7× RDA — above typical dose 199 studies (A:1, B:55)
50 mcg (67% DV)
1.1× RDA — within safe limits 3 studies — no high-quality reviews
Potassium
75 mg (2% DV)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
Market median: 1000.0mg (2 products)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Trace Elements
100 mg
50 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Market median: 100.0mg (173 products)
Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
30 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
25 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
20 mg
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
1 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Proprietary Blend
500 mg

Other Ingredients

Cellulose Gelatin sodium hyaluronate Vegetable Stearate Silica
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, adults take 1 pack daily or as directed by your healthcare professional.

For oral administration only.

Warnings & Precautions

Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

If you have an allergy to shellfish, including crab and shrimp) you should not use this product.

KEEP OUT OF REACH OF CHILDREN

Warning: PHENYLKETONURICS: CONTAINS PHENYLALANINE. Do not use if you have phenylketonuria (PKU).

If you are pregnant, nursing, or taking any prescription medications or have Parkinson's disease consult with a physician before using this product.

Use of phenylalanine should be limited to less than 2 grams per day.

Tamper resistant package, do not use if outer seal is missing.

Formulation Notes

This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sugar, starch, artificial coloring, flavoring, or preservatives.

Additional Information

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formula #65339

Metadata

Product Details

UPC / SKU3 10539 03468 2
DSLD Entry Date2012-06-01
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandDouglas Laboratories
DSLD ID9639
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.