L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement…
Amazon.comPosted 6 days ago
$0.14last seen on Amazon
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- Cost per serving
- $0.001
- Servings
- 120 × 400mg
Lasts ~120 days at the label dose · ~$0.04/month
💚 Top value — cheapest quartile of the 29 L-Theanine deals we track.
🔬 Studied dose — the commonly-studied L-Theanine dose is 200 mg/day. One 400mg serving covers it — about $0.001/day at this price.Commonly studied at 100–200 mg, often paired with caffeine.
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The silence is deafening
Lead with cost-per-dose, not vibes.