
Swanson DL-Phenylalanine
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Swanson DL-Phenylalanine
Go to Store About this item
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An amino acid supplement for specialized dietary support
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Plays a key role in neurotransmitter function
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500 mg per capsule
- Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.