A combination of 6 label ingredients.
Studied for knee-osteoarthritis pain and function; results are inconsistent and depend on the exact preparation.
Supports normal collagen production and immune function, and helps the body absorb iron from plant foods.
Calories, macros & sodium.
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
Sodium BorateBuffer
Classified as a Substance of Very High Concern (SVHC) under EU REACH for reproductive toxicity (Category 1B — may damage fertility and the unborn child). EFSA's tolerable upper intake from total boron exposure is 10 mg/day for adults; sodium borate dosing must stay well below this. Acute oral toxicity is moderate (lethal dose ~5–20 g in adults), but the chronic-exposure reproductive endpoint is the binding constraint. Largely phased out of modern supplements and personal care in favor of safer buffers (citrate, phosphate). If a current product lists sodium borate, the inclusion warrants scrutiny — there are safer alternatives for every excipient function it provides.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Methylsulfonylmethane (MSM)Food
An organic sulfur compound (dimethyl sulfone) used as a dietary ingredient.
Mineral OilEmollient
A highly refined petroleum-derived oil used as an occlusive emollient and lubricant
Polyethylene Glycol (Coating)Coating
A polyether polymer used as a tablet coating and plasticizer
Polyvinyl AlcoholCoating
Synthetic, water-soluble polymer used as a film former and binder in immediate-release tablet coatings
On the label
Suggested use: Adults, take two tablets daily with food as a dietary supplement
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What 65 chondroitin supplements cost

Osteo Bi-Flex
Osteo Bi-Flex Triple Strength
🦴 for Bone & Joint

Solgar
Extra Strength Glucosamine Chondroitin Complex Tablets
🛡️ for Immune

Jarrow Formulas
Glucosamine + Chondroitin
🦴 for Bone & Joint

Mason Natural
Glucosamine Chondroitin + Vitamin D3
🦴 for Bone & Joint

NOW
Liquid Glucosamine & Chondroitin With MSM
🦴 for Bone & Joint
Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.
Not medical advice. Consult your healthcare professional.