Circuit booster

Circuit boosters are a type of Cybertronian narcotics, of which the most notorious is Syk.

Surgeon's Warning: uploading a circuit booster directly into your brain is extremely dangerous and a very foolish thing to do.Ratchet, Post Hoc

Fiction

Marvel Comics continuity

Earthforce

These stories do not fit into the normal Marvel continuity. See Earthforce for details.

Mixmaster was in the business of selling Syk to his fellow Decepticons when Soundwave read his mind, filing the information away for future blackmailing opportunities. Secrets

IDW Generation 1 continuity

On the 4th chord of 4th cycle 501, Drift was out of his mind on circuit boosters in an alleyway in the Dead End of Rodion when he was set upon by Sonic and Boom. He was rescued by Orion Pax and saved from overdosing by Ratchet. Post Hoc

Notes

• Unlike the similarly-named circuit speeders which have a marked stimulant effect, circuit boosters paralyze the user.
• Impactor referred to Springer as his "little green circuit booster".