Quick answer: A caffeine pouch sits against the gum, so irritation is possible. There is not enough product-specific research to promise that any pouch is harmless to gums or gentler than another pouch.
What can affect comfort?
Contact time, pouch texture, flavor, ingredients, and your own oral sensitivity may all matter. A cooling or tingling feeling is not proof that the gum tissue is unaffected. If you notice burning, soreness, swelling, bleeding, or a persistent change, stop using the pouch. Speak with a dentist if the problem continues.
What about the caffeine?
Oral comfort is only part of the decision. Count caffeine from pouches together with coffee, tea, energy drinks, medicines, and other sources. The FDA cites 400 mg a day as an amount not generally associated with negative effects for most adults, but individual sensitivity varies.
How should I compare products?
Check the current label for caffeine per pouch, ingredients, and directions. LyvWel lists guarana as its caffeine source and does not contain nicotine. Neither fact guarantees oral comfort. See our format comparison if you want a different way to use caffeine.
The bottom line
Do not treat a caffeine pouch as risk-free for your gums. If it causes discomfort, stop using it and get professional advice for symptoms that persist.