Gummy supplements don't stay fresh forever, and every brand has to decide what shelf life to print. At KorNutra, stability testing sets that date, so the shelf life you publish is defensible.
What Determines Gummy Supplement Shelf Life?
Several factors set how long a gummy holds up:
- Ingredient stability: actives degrade at different rates; vitamin C and several B vitamins are the most heat- and light-sensitive.
- Gummy base: gelatin or pectin, sugars, and flavors shape texture and moisture. Pectin holds up in heat better than gelatin.
- Packaging: airtight, light-blocking containers slow oxidation and moisture pickup.
Across all three, water activity is the variable to watch.
Typical Shelf Life and Expiration Dates
Gummy supplements commonly carry an 18 to 24 month shelf life, though the window varies by formula. The printed date is a specification backed by stability data.
Under FDA rules, a dietary supplement doesn't have to carry an expiration date. A brand that prints one must support it with stability data under 21 CFR Part 111.
How a Brand Establishes Shelf Life
Shelf life is a measured result. Real-time testing stores finished product at 25°C and 60% relative humidity and pulls samples at 3, 6, 9, 12, 18, and 24 months to check potency, texture, water activity, and microbial limits.
Because that study takes two years, most programs add accelerated testing at 40°C and 75% relative humidity to expose failure modes early. The date a brand prints is what the data supports.
How to Maximize Freshness and Potency
Storage matters from the warehouse to the customer's shelf. Put these in your packaging and customer guidance:
- Keep containers sealed; air and humidity are the main enemies of texture and potency.
- Store cool and dry, away from sunlight, stoves, and heat.
- Use clean, dry hands so moisture stays out of the jar.
- Don't refrigerate unless the label says so; condensation can make gummies stick.
Signs a Gummy Has Degraded
These changes show up in retained samples and are what customers report first:
- Texture changes: too hard, too sticky, or weeping liquid.
- Off smell or color shift.
- Gummies fused into a clump.
If a batch shows these signs early, the cause is formulation, packaging, or storage, not the date. KorNutra builds shelf life into formulation and packaging, so the date you print reflects measured performance.