Levoamphetamine, also known as levamfetamine (INN), (R) - amphetamine, - amphetamine, and L-amphetamine, is a central nervous system (CNS) stimulant known to increase wakefulness and concentration in association with decreased appetite and fatigue.
Levoamphetamine increases concentration.
Determine if the claim is supported, refuted, or if there is not enough information based on the evidence.

Claim: Levoamphetamine, also known as levamfetamine (INN), (R) - amphetamine, - amphetamine, and L-amphetamine, is a central nervous system (CNS) stimulant known to increase wakefulness and concentration in association with decreased appetite and fatigue.

Evidence: Levoamphetamine increases concentration.

Options: 

 - supported

 - refuted

 - not enough information
supported
Determine if the claim is supported, refuted, or if there is not enough information based on the evidence.

Claim: Levoamphetamine, also known as levamfetamine (INN), (R) - amphetamine, - amphetamine, and L-amphetamine, is a central nervous system (CNS) stimulant known to increase wakefulness and concentration in association with decreased appetite and fatigue.

Evidence: Levoamphetamine increases concentration.

Options: 

 - supported

 - refuted

 - not enough information
user
supported
assistant