How long does Vitamins / Supplements last?
How long does Vitamins / Supplements last? pantry 1–2 years. Plus spoilage signs, sources, and an unopened-vs-opened note.
Quick answer
Sealed / unopened: Check date
Signs Vitamins / Supplements has gone bad
- Off smell (especially fish oil — rancid fishy), color shift.
- Soft or melted gelcaps, crumbling tablets, mold spots.
Discard immediately if
- Tablets crumble when handled
- Sharp vinegar smell (aspirin)
- Past expiry by more than 2 years
Why guidance varies
Active ingredients degrade at different rates depending on temperature, humidity, and light exposure; manufacturer dates assume controlled storage conditions.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Vitamins / Supplements last?
In the pantry: 1–2 years. Sealed / unopened: Check date. Potency degrades after the printed date but they're not typically harmful. Store in cool, dark place.
How can you tell if Vitamins / Supplements has gone bad?
Signs that Vitamins / Supplements has gone bad: Off smell (especially fish oil — rancid fishy), color shift; Soft or melted gelcaps, crumbling tablets, mold spots.
What does the date label on Vitamins / Supplements mean?
Vitamins / Supplements usually carries a "Use By" date. The last date the manufacturer recommends for peak quality — for most foods this is still quality-based, not a safety cutoff (infant formula is the one exception). See our date-labels guide for the full breakdown.
Sources for this answer
- A FDA — Don’t Be Tempted to Use Expired Medicines — Storage windows and refrigeration guidance for this category.
- A FDA — Are You Storing Food Safely? — Date-label interpretation and food-safety baseline.