

Joint-Support Formula
Douglas Laboratories
Overview
The Douglas Laboratories Joint-Support Formula offers a wide range of vitamins and minerals, many at high doses, alongside a proprietary blend for joint health. While many individual vitamins and minerals are provided in potentially effective amounts for foundational health, the specific efficacy for 'joint support' is difficult to fully assess due to the proprietary blend and the lack of disclosed amounts for several key joint-specific ingredients within that blend. The presence of Turmeric, Glucosamine Sulfate, and Devil's Claw within the blend suggests a multi-modal approach to joint health, but their individual dosages are unknown, making it hard to determine if they reach clinically effective levels.
The Good
Comprehensive Multivitamin/Mineral Profile: Provides a broad array of essential vitamins and minerals, many at high potencies, to fill nutritional gaps and support overall health.
Inclusion of Joint-Support Ingredients: Contains traditional ingredients like Glucosamine Sulfate, Turmeric, and Devil's Claw which are commonly used for joint health for their anti-inflammatory and cartilage-supporting properties.
Reputable Brand: Douglas Laboratories is generally recognized as a quality supplement manufacturer.
The Bad
Proprietary Blend for Joint Support: The "Joint-Support Proprietary Blend" does not disclose individual ingredient dosages, making it impossible to ascertain if effective amounts of active ingredients are present.
Excessive Vitamin A Dosage: The Vitamin A content (6000 mcg, 667% DV) is very high and can be toxic with long-term use, especially the preformed vitamin A which is more dangerous than beta-carotene.
High Selenium Dosage: With 300 mcg (545% DV), the selenium level is high and could lead to selenosis over time.
Is it for you?
Best For: Individuals seeking natural joint support, those with mild joint discomfort
Skip If: You have allergies to common joint supplement ingredients or are on specific medications without consulting a doctor.
Ingredients Analysis
Vitamin A
6000 mcgVitamin C
1000 mgVitamin D3
1.25 mcgVitamin E
134 mgThiamine
50 mgRiboflavin
25 mgNiacin/Niacinamide
120 mgVitamin B6 Complex
25 mgFolate
1333 mcg DFEFolic Acid
800 mcgVitamin B12
100 mcgBiotin
300 mcgPantothenic Acid
150 mgCholine
20 mgCalcium
300 mgMagnesium Complex
300 mgZinc
50 mgSelenium
300 mcgCopper
2 mgManganese Complex
15 mgChromium
200 mcgMolybdenum
50 mcgPotassium Complex
75 mgInositol
25 mgPaba
50 mgVanadium
25 mcgBoron
1 mgTrace Elements
100 mcgAspartic Acid
280 mgHow to Use
Typically taken orally with water, as directed on the product label.
Daily
Morning or Evening
With food
Who Should Use This
Best For:
Similar Products
Recommended Articles

Glutamine Dosage for Gut Health: A Guide
Glutamine supports gut health with a recommended dosage of 5-30 grams per day, available in various supplement forms.

Herbal Boosters & COVID-19 Antivirals: Safe Mix?
Herbal supplements may interact with COVID-19 antivirals, requiring careful consideration and further research.

2025's Top Vegan Protein Powders: A Buyer's Guide
In 2025, the best vegan protein powders are third-party tested, ensuring purity, safety, and high nutritional content.

Supplement Safety: Testing for Heavy Metals & Pesticides
Testing supplements for heavy metals and pesticides is crucial for consumer safety, with organizations like USP and NSF providing certifications to indicate rigorous testing.