NUTRAHARMONY L Theanine 400 mg
| L-Theanine Stress Relief | Extra Strength Supplement | Lab Tested | Relaxation, Sleep & Calm Support | For…
Price as of 2026-06-19. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$11
- Mid-range:$11–$35← You are here
- Premium:$35+
Is This Right For You?
- •Those who want a top-rated option — in the top 19% of sleep supplements by rating
- •NUTRAHARMONY loyalists — the brand spans 27 products in our database
- •Natrol Kids Melatonin Gummies 1mg offers a better rating (4.8/5) at a similar or lower price ($9)
- •Mommy's Bliss Kids Sleep Liquid — 57% cheaper at $8 (Score A)
- •Natrol Kids Melatonin Gummies 1mg — higher rated at 4.8/5 ($9)
📊 Based on data analysis of 117 products in this category.
Mubboo Score: B+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other sleep supplements
Computed from live Amazon rating, review count, and price across 117 sleep supplements available to US consumers · last refreshed 2026-06-19.
How It Compares
This Product NUTRAHARMONY L Theanine 400 mg | Most Popular Natrol Kids Melatonin Gummies 1mg | Best Rated Zarbee's Zarbee’s Kids Sleep Melatonin Kids Chewable | Best Value Mommy's Bliss Kids Sleep Liquid | |
|---|---|---|---|---|
| Price | $19.89 | $8.96 | $11.04 | $8.48 |
| Rating | 4.6/5 | 4.8/5 | 4.8/5 | 4.6/5 |
| Reviews | 2,066 | 26,086 | 24,701 | 5,942 |
| Mubboo Score | B+ | A+ | A+ | A |
What People Say
Synthesized from 32 reviews · 100% verified purchases.
For melatonin, start with a low 1mg dose to avoid grogginess; with pillow sprays, try a smaller size first to test scent strength and personal effectiveness.
- Quick sleep onset
- Restful sleep through the night
- No morning grogginess
- Pleasant taste and easy to take
- Inconsistent staying asleep
- Scent variability or weak aroma
- Higher price
Related Video Reviews
- 📹 Top 5 Best Sleep Supplements 2026 (Sleep Aids That Actually Work) — Garage Gym Homie
About NUTRAHARMONY
- 27 products in our database
- Average rating: 4.5/5 across all products
- Price range: $9.99 – $73.99
- Categories: Biotin Supplements, Collagen Supplements, hair-masks, herbal-supplements, Magnesium Supplements, Multivitamins
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Bottom Line
NUTRAHARMONY L Theanine 400 mg earns Mubboo Score B+. Priced at $20 — a mid-range option, below the category average of $25. Rated 4.6/5 from 2,066+ reviews. Strong buy if: those who want a top-rated option, nutraharmony loyalists. Skip if: natrol kids melatonin gummies 1mg offers a better rating (4.8/5) at a similar or lower price — Natrol Kids Melatonin Gummies 1mg (Score A+, $9) may fit better.
Frequently Asked Questions
Is the NUTRAHARMONY L Theanine 400 mg worth buying in 2026?
It earns a Mubboo Score of B+, with a 4.6/5 rating from 2,066 reviews — better than 81% of sleep supplements we track.
How much does the NUTRAHARMONY L Theanine 400 mg cost?
It is currently $19.89 — mid-tier pricing for sleep supplements.
How does the L Theanine 400 mg compare to other sleep supplements?
The category's most-reviewed alternative is the Natrol Kids Melatonin Gummies 1mg (4.8/5, 26,086 reviews, $8.96). The L Theanine 400 mg carries a Mubboo Score of B+ vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-19) and may change.