Prepared, packaged, and fermented foods are generally safe when stored properly and eaten before their expiration date. The main risks come from cross-contamination and temperature abuse — food left out too long, or pre-made deli-style salads (chicken salad, tuna salad, ham salad) sitting at deli counters, which the FDA treats similarly to deli meat for Listeria risk if they haven't been kept properly refrigerated. Fermented foods like kimchi, sauerkraut, and kombucha are generally fine in moderation; unpasteurized kombucha specifically contains live cultures and a small trace of alcohol from fermentation, which is why some providers suggest choosing pasteurized versions or limiting intake. Fermented foods can also be a source of beneficial probiotics, and there's no established need to avoid them during pregnancy beyond the same general storage and freshness precautions that apply to any prepared food.
This food doesn’t carry any pregnancy-specific restriction, so it can generally be eaten throughout all three trimesters as part of a normal, varied diet. As always, total nutrition — not any single food — is what matters most, so pair it with a range of other safe foods rather than relying on it heavily on its own. If you have a personal medical condition such as gestational diabetes, a food allergy, or a provider-specific dietary restriction, that guidance takes priority over general pregnancy safety information like this.