The brand hasn't commented, but its website says it's not recommended for under-18s.
Prime Energy drinks is facing an investigation in the US over health concerns.
The American senator Chuck Schumer says they contain "an eye-popping level of caffeine for a young kid's body" - and has asked regulators to step in.
The brand - backed by YouTube stars Logan Paul and K-S-I - hasn't commented but its website says it's not recommended for under-18s.