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Natural Factors L-Tryptophan 220 mg, 90 Vcaps
$21.99
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Description
You may know tryptophan as the thing that makes you sleepy after a big turkey dinner, but did you know this essential amino acid can actually be used as a workout supplement? If you’re looking to build lean muscle mass, adding L-Tryptophan to your workout regimen and healthy diet may help you achieve those gym goals!
- Assists in building lean muscle mass when combined with regular weight training and a balanced diet
- A vegetarian source of essential L-tryptophan
- Source of an amino acid involved in muscle protein synthesis
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