Bio-K+ probiotic capsules do not require refrigeration to maintain their bacterial count. The potency is guaranteed until the expiration date at room temperature. The desiccant sachet inside every bottle keeps the capsules dry and stable throughout a trip. While refrigerating capsules at home can help maximize longevity, it is not required for the potency guarantee. This makes them practical to pack in carry-on or checked luggage without needing a cooler or hotel fridge.

The On-the-Go Capsules (30B CFU per capsule) are specifically positioned for high-potency on-the-go support. They contain the same three exclusive strains as the rest of the capsule lineup and are shelf-stable without refrigeration. For those newer to probiotics, starting with the Daily Probiotic Capsules (12.5B CFU) or Daily Care+ (25B CFU) and increasing potency as needed is a practical approach. All three options are vegan, gluten-free, and free from major allergens.

Capsules and drinkable probiotics use the same three-strain probiotic formula and are equally effective at helping to support gastrointestinal health. The practical difference for travelers is storage: capsules are shelf-stable and require no refrigeration, making them easier to pack and carry. Drinkable probiotics must be kept refrigerated, or are limited to 24 hours unrefrigerated, and come in plastic bottles, which can be less convenient for transit. Capsules are often preferred for travel precisely for this reason.