Identify the magnesium product first
A nutritional magnesium glycinate supplement is different from a magnesium-containing antacid or laxative. Check the elemental amount and all other ingredients. A combination pain or sleep product can introduce additional medicines that were not named in the original question. [1][2]
Kidney function is a shared reason for caution
NHS guidance lists kidney conditions among reasons ibuprofen may be unsuitable, and kidney problems are a possible serious adverse effect. NIH explains that impaired kidney function increases magnesium toxicity risk. Taking the products several hours apart does not remove these concerns. [3][1]
Magnesium does not protect against ibuprofen risks
Ibuprofen can cause stomach ulcers or bleeding and interacts with medicines including anticoagulants, steroids and some blood-pressure treatments. A mineral supplement should not be assumed to prevent those effects. Avoid adding another NSAID without professional advice, and follow the ibuprofen leaflet. [3]
There is no universal interval established here
The inspected sources do not provide one magnesium-glycinate–ibuprofen spacing rule for all users. Ask a pharmacist about the exact products and complete medicine list. Pregnancy, kidney disease or ulcer history makes that review particularly relevant. [3][1]
Respond to concerning symptoms
Imagine someone with reduced kidney function adds magnesium while regularly taking ibuprofen. A timing change is not an adequate safety plan. Vomiting blood, black tar-like stools or serious new symptoms require prompt medical assessment rather than further supplement adjustments. [3]
| Detail | Why it matters |
|---|---|
| Glycinate versus laxative | Different product purpose and exposure |
| Kidney impairment | Raises concerns for both products |
| Other pain medicines | May duplicate an NSAID |
| Several hours apart | Does not eliminate systemic risks |

Sources for this article
- Magnesium - Health Professional Fact Sheet
Source consulted: 2026-09-21. This is a reference resource, not a claim that we conducted the studies or tested a product. - Magnesium Citrate: MedlinePlus Drug Information
Source consulted: 2026-09-21. This is a reference resource, not a claim that we conducted the studies or tested a product. - Ibuprofen for adults: painkiller that also treats inflammation - NHS
Source consulted: 2026-09-21. This is a reference resource, not a claim that we conducted the studies or tested a product.