While in creative mode if you drink a potion it will apply the effect but will give you an empty glass back added on to the potion.
Linked issues
is duplicated by 2
relates to 2
Comments 7

Cleaning up old tickets: This ticket has not been updated recently (~1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
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Reopened and updated

The honey bottle does not do this.

Relates to MCPE-79639
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Still an issue
True, i have the same problem on my Samsung Galaxy TabΒ A6