Source Naturals, Serene Science® 5-HTP - 100 mg - 120 Capsules
Cost per servingTypical
$0.27/ serving
120 servings · ~$8.14/mo · 120-day supply
You pay
Price checked 3 hours ago$32.55
direct from Amazon.com
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About the typical 5-HTP cost-per-dose.
🔬 Studied dose — the commonly-studied 5-HTP dose is 100 mg/day. One 100mg serving covers it — about $0.27/day at this price.Often started at 50–100 mg/day; do not combine with antidepressants without medical advice.
Prices & availability are accurate as of the last check and may change — always confirm the live price on Amazon.com before buying.
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Lead with cost-per-dose, not vibes.