Best L-Tryptophan 500 mg

Brand: Doctor's Best

VegetarianCONTAINS NOTHING OTHER THAN LISTED INGREDIENTSAmino acid/Protein
Quality score
60/100
DSLD
1258
UPC
753950001268
Form
Capsule
Serving size
1 Capsule(s)
≈ 90 servings
Net contents
90 Veggie Cap(s)
Standard Pack
Top DV
Vitamins
Per serving
Directions
Suggested Use: Take 1 or 2 capsules daily, or as directed by a health practitioner. For optimum absorption, take separately from protein-containing foods and dietary supplements containing protein or amino acids.
NIH DSLD-backedSource links included

Dr. Feb's Analysis

Scientific Mechanism

L-Tryptophan is an essential amino acid that the body cannot produce on its own, making supplementation vital for protein synthesis. At the cellular level, L-Tryptophan crosses the blood-brain barrier and serves as a direct precursor to serotonin, a neurotransmitter regulating mood, appetite, and sleep cycles. It is converted via enzymatic pathways into 5-HTP, then serotonin, and potentially melatonin. This 500 mg dose of TryptoPure ensures high-purity intake, supporting neural pathways without the interference of contaminants found in lower-grade supplements.

Key Benefits

Key benefits include:

  • Promotes restful sleep quality and helps regulate circadian rhythms
  • Supports a balanced mood and emotional well-being
  • Assists in appetite control and reduces sugar cravings
  • Aids in the synthesis of proteins for muscle repair

Usage & Safety

Take 1 capsule daily, preferably on an empty stomach before bedtime for optimal sleep support, or earlier in the day for mood stabilization. Do not combine with prescription antidepressants (SSRIs/MAOIs) without medical supervision to avoid serotonin syndrome. Consult a healthcare provider if pregnant, nursing, or taking other medications.

Daily value highlights
No daily values established.
Receipts
Official label PDF
NIH DSLD label snapshot (primary source)
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Frequently Asked Questions

What are the key benefits of Best L-Tryptophan 500 mg?
It supports mood balance, promotes better sleep, and aids in appetite regulation by providing essential amino acid precursor for serotonin production.
How should I take this supplement?
Take 1 capsule daily with water, ideally on an empty stomach 30-60 minutes before bed or as directed by a healthcare professional.
Are there known allergens?
No, the product contains nothing other than listed ingredients and is free from common allergens.
Is Doctor's Best a reputable brand?
Yes, Doctor's Best is a trusted brand often referenced in NIH resources for quality amino acid supplements.
Best L-Tryptophan 500 mg
Quality 60/100 • DSLD 1258
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