Glucosamine: which form, what each one does, and the dose that worked
Glucosamine comes in many forms, and what it does depends on the form. Every result below names the form it came from. Pick the form you take to see its own studies, products and what the biohackers say about it. This page is educational, not medical advice.
What it does, by goalMembersThe top 3 of 3 goals
3 of these 108 human studies gave glucosamine by drip or injection, not by mouth.
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Improved in studies Sulfate: 43 of 93 improved, 21 no effect · HCl: 3 of 9 improved, 2 no effect · 3 by drip, injection or inhaler | 102 | sulfate 1.5 g · HCl 1.2 g | |
| Improved in studies Sulfate: 1 of 2 improved | 2 | – | |
| No effect in studies Sulfate: 6 studies, 4 no effect | 6 | – |
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Products – highest ranked firstMembersThe top 3 of 7
Dose and safetyThe dose that worked and the upper limit
The doses that worked, by form, in the studies taken by mouth: sulfate 1.5 to 1.6 g, HCl 1.2 g a day.
Biohacker panelMembersWhich forms of glucosamine our 10 biohackers name
Questions people askMembersAnswered from the figures on this page
Which form of glucosamine is best?
Answer for members.
How much glucosamine a day?
Answer for members.
Can I take glucosamine with my meds?
Answer for members.
Members see the answers, checked against their own meds and goals. Start My 7-Day Free Trial →
Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →