Natural Factors Stress-Relax Tranquil Sleep Tablet
120 Count
Price as of 2026-06-08. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$6–$12
- Mid-range:$12–$26
- Premium:$26+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in Sleep Aids
- •Those who want a top-rated option — in the top 12% of Sleep Aids by rating
- •You're on a tight budget — $21 above the category average of $21
- •MZOO Luxury Sleep Eye Mask offers a better rating (4.6/5) at a similar or lower price ($17)
- •ZzzQuil PURE Zzzs Triple Action — 60% cheaper at $17 (Score B+)
- •MZOO Luxury Sleep Eye Mask — higher rated at 4.6/5 ($17)
📊 Based on data analysis of 80 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 Aids
Computed from live Amazon rating, review count, and price across 80 Sleep Aids available to US consumers · last refreshed 2026-06-08.
How It Compares
This Product Natural Factors Stress-Relax Tranquil Sleep Tablet | Most Popular MZOO Luxury Sleep Eye Mask | Best Rated YOGASLEEP Dohm Classic | Best Value ZzzQuil PURE Zzzs Triple Action | |
|---|---|---|---|---|
| Price | $41.97 | $16.99 | $44.97 | $16.97 |
| Rating | 4.5/5 | 4.6/5 | 4.6/5 | 4.3/5 |
| Reviews | 2,216 | 99,539 | 40,864 | 10,801 |
| Mubboo Score | B- | A | B | B+ |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
For sleep supplements, start with a low dose to avoid next-day grogginess, especially with doxylamine. When choosing a sound machine, consider its placement and durability, as some units may fail over time.
- Effective sleep enhancement
- Comfortable design/taste
- Noise/light blocking
- Value for money
- Extra features/accessories
- Next-day grogginess
- Product durability
- Strong or unpleasant taste
Related Video Reviews
- 📹 Top 5 Best Sleep Supplements 2026 (Sleep Aids That Actually Work) — Garage Gym Homie
Key Features
- ✦Tasty fruit flavored chewable tablet
- ✦Contains 5-HTP, Suntheanine and Melatonin
- ✦Safe, fast acting formula
Source: product listing on Amazon.
About Natural Factors
- 7 products in our database
- Average rating: 4.5/5 across all products
- Price range: $11.87 – $41.97
- Categories: herbal-supplements, lipid, Sleep Aids, sleep-supplements, Vitamin D Supplements
If not the Stress-Relax Tranquil Sleep Tablet, consider these
Bottom Line
Natural Factors Stress-Relax Tranquil Sleep Tablet earns Mubboo Score B-. Priced at $42 — a premium option, above the category average of $21. Rated 4.5/5 from 2,216+ reviews. Strong buy if: buyers who prioritize quality over price in sleep aids, those who want a top-rated option. Skip if: you're on a tight budget — MZOO Luxury Sleep Eye Mask (Score A, $17) may fit better.
Frequently Asked Questions
Is the Natural Factors Stress-Relax Tranquil Sleep Tablet worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.5/5 rating from 2,216 reviews — better than 88% of Sleep Aids we track.
How much does the Natural Factors Stress-Relax Tranquil Sleep Tablet cost?
It is currently $41.97 — premium-tier pricing for Sleep Aids.
How does the Stress-Relax Tranquil Sleep Tablet compare to other Sleep Aids?
The category's most-reviewed alternative is the MZOO Luxury Sleep Eye Mask (4.6/5, 99,539 reviews, $16.99). The Stress-Relax Tranquil Sleep Tablet 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 (2026-06-08) and may change.