MaryRuth's L Theanine 200mg Liquid Drops | Mood Support for Adults…
Amazon.comPosted 6 days ago
$9.33last seen on Amazon
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- Cost per serving
- $0.31
- Servings
- 30 × 200mg
Lasts ~30 days at the label dose · ~$9.33/month
Above typical — cheaper L-Theanine options exist.
🔬 Studied dose — the commonly-studied L-Theanine dose is 200 mg/day. One 200mg serving covers it — about $0.31/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.