Articles
Standards, Evidence, and the Category
Six pieces on the reasoning behind our grades — the criteria themselves, what proprietary blends conceal, why the evidence in this field is so mixed, and how to test a supplement on yourself without fooling yourself.
Standards
7 min read
What a Good Joint Supplement Actually Looks Like
The criteria we grade against, written as a checklist you can apply to any product in the aisle.
Skill
6 min read
Proprietary Blends and What They Conceal
A blend gives one number for several ingredients. That is not always sinister, and it is always a reason to look harder.
Evidence
6 min read
The Placebo Problem in Joint Pain Research
Osteoarthritis trials produce large placebo responses, which explains a great deal about why supplement evidence in this area looks the way it does.
Category
8 min read
The Joint Supplement Aisle, Ingredient by Ingredient
Glucosamine, chondroitin, MSM, boswellia, collagen, omega-3, turmeric — a survey of what the evidence supports and what it does not.
Safety
6 min read
When Natural Does Not Mean Safe
Plant-derived ingredients interact with medication, affect surgery, and occasionally damage organs. Natural describes origin, not risk.
Method
6 min read
How to Run a Fair Trial of a Supplement on Yourself
You cannot blind yourself, but you can avoid the four mistakes that make most personal supplement trials meaningless.
If you still want it
See the Grades Before You Decide
We grade seven criteria and JointBrex passes two of them. If you have read the scorecard and still want to try it, our pricing page carries the current totals, the conflicting figures we found, and the interaction warnings.
Pricing & Warnings →