Once opened, Milk (lactose-free) keeps about 1 week in the fridge.
That's the longest window published for Milk (lactose-free) — opened in the fridge is its best case.
| Situation | Keeps for |
|---|---|
| Opened · fridge | 1 week |
| Freezer | Not recommended |
Air and warmth are what shorten an opened item's life — the right container buys back the days the packaging gives up once the seal's broken.
Keep Milk fresh longer ↗ Need a fresh one? ↗
Ad · Affiliate links — we may earn a commission at no cost to you. They appear after your answer and never change it.
About 1 week refrigerated at 40°F (4°C) or below, according to USDA FoodKeeper v128. Refrigerate it once it's open.
Yes — keep Milk (lactose-free) at 40°F (4°C) or below once it's open. Refrigerate at 40°F (4°C) or below.
Look for: Sour or off smell; Mould or fuzzy spots; Curdled, slimy, lumpy, or separated texture; Yellowing or other discoloration. Those are the general signs for dairy & eggs — USDA FoodKeeper v128 publishes no spoilage note for Milk (lactose-free) specifically. Never taste something to test it — when in doubt, throw it out.
USDA FoodKeeper v128 does not recommend freezing Milk (lactose-free) — it survives but the texture or quality suffers badly.