Yes, but check the label of the other product first. Many joint complexes already contain glucosamine (often 500–750 mg per serving). Taking this 1500 mg tablet on top could push total daily glucosamine above the amounts used in most studies (typically 1500 mg/day total). More is not better; excess is simply excreted.
If the complex does not contain glucosamine (e.g., it’s chondroitin + MSM + collagen + botanicals), combining is straightforward. Take the glucosamine tablet with one meal and the complex with another to spread absorption and reduce any mild GI upset some people get from larger single doses of amino sugars.
Watch total sulfur-containing ingredients: MSM (methylsulfonylmethane), chondroitin sulfate, and glucosamine sulfate all contribute sulfur. While dietary sulfur is generally safe, very high combined intakes can occasionally cause loose stools or nausea in sensitive people. If you notice this, reduce one component or take them further apart.
This product’s single-ingredient design is intentional: it lets you control the glucosamine dose independently and avoid unwanted extras (shellfish allergens from chondroitin, added herbs, fillers). If you prefer a pre-mixed formula, you may not need this separate tablet at all.
Practical tip: keep a simple log for the first month — what you took, when, and any digestive notes. It makes it easier to adjust or discuss with a pharmacist or clinician if needed.
Safety framing: consult a specialist if you take anticoagulants, have diabetes, or are pregnant/breastfeeding before combining multiple joint supplements long-term.