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What is the difference between[ephedrine, pseudoephedrine, phenylalanine, and amphetamine?

4 doctors weighed in
3 doctors agree

In brief: Stimulants

They belong to precursors and drugs used for weight loss, asthma and congestion.
Phenylalanine is an essential amino acid. Ephedrine (ephedrine (ephedrine sulfate) sulfate) is useful for bronchial asthma, but pseudo ephedrine (ephedrine sulfate) is useful in rhinitis. Amphetamines are a group of stimulants useful for attention deficit, and less frequently as a stimulant, which can be addictive. Ephedrine (ephedrine (ephedrine sulfate) sulfate) and pseudo-ephed in synthesis of methamphetamine.

In brief: Stimulants

They belong to precursors and drugs used for weight loss, asthma and congestion.
Phenylalanine is an essential amino acid. Ephedrine (ephedrine (ephedrine sulfate) sulfate) is useful for bronchial asthma, but pseudo ephedrine (ephedrine sulfate) is useful in rhinitis. Amphetamines are a group of stimulants useful for attention deficit, and less frequently as a stimulant, which can be addictive. Ephedrine (ephedrine (ephedrine sulfate) sulfate) and pseudo-ephed in synthesis of methamphetamine.
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