
Natural Factors
Brand Score A-5 products · 4 categories · Avg 4.5★ · 14,579 reviews
Price range $15 – $42
Last analyzed: June 19, 2026
Browse products ↓Quick Take on Natural Factors
Score: A-- •Nearly every product (100%) earns 4+ stars — this brand rarely disappoints
- •15K+ reviews give a reliable read on real-world quality
- •Focused on herbal supplements, where it averages 4.4★

Natural Factors Tranquil Sleep
4.5★ with 2.2K reviews — top-rated in sleep supplements
Brand Score: A-
A- in herbal supplements — Natural Factors's 5 products average 4.5★ across 4 categories, with herbal supplements as the strongest line (4.4★ avg).
Natural Factors earns a Brand Score of A- on Mubboo, based on analysis of 5 products across 4 categories. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Category depth (50/100) is the area with the most room for improvement. Natural Factors's primary strength is in herbal supplements, where it averages 4.4★.
How we calculate Brand Score
Quality Consistency (40%): percentage of products rated 4+ stars
Market Presence (25%): total review volume, log-scaled
Value Positioning (20%): average price vs category average
Category Depth (15%): number of active product categories
Based on 5 Natural Factors products · last analyzed June 19, 2026.
How Natural Factors Compares
Natural Factors | Most Popular Nature's Way | Highest Rated AZO | Best Value Nature's Bounty | |
|---|---|---|---|---|
| Avg Rating | 4.5★ | 4.65★ | 4.67★ | 4.65★ |
| Total Reviews | 14,579 | 147,030 | 80,431 | 29,815 |
| Avg Price | $27 | $15 | $18 | $9 |
| Brand Score | A- | A- | A- | B+ |
Show more details
| Products | 5 | 4 | 3 | 4 |
| Quality Rate | 100% | 100% | 100% | 100% |
| Categories | 4 | 1 | 1 | 1 |
Natural Factors
Avg Rating: 4.5★
Reviews: 14,579
Avg Price: $27
100% rated 4+★
Our Top 3 from Natural Factors

Natural Factors Tranquil Sleep
4.5★ with 2.2K reviews — top-rated in sleep supplements

Natural Factors Suntheanine L-Theanine 100 mg
4.5★ with 1.8K reviews — top-rated in sleep supplements

Natural Factors DGL Chewable
4.4★ with 7.8K reviews — a solid choice in herbal supplements
Where Natural Factors Is Strongest
herbal supplements
sleep supplements
What You'll Spend on Natural Factors
Most Natural Factors products fall between $15 and $42.
Natural Factors prices in line with the category average — a balanced mix of cost and quality.
What People Say About Natural Factors
Aggregated from review themes across 5 Natural Factors products.
- Pleasant taste and enjoyable to take
- Effective for targeted health support
- Convenient and easy to incorporate into daily routine
- Quick sleep onset
- Price considered high for long-term use
- Can cause stomach discomfort or drug interactions
- Inconsistent staying asleep
Where to Buy Natural Factors
Natural Factors products are available on Amazon — 5 products across 4 categories.
Browse Natural Factors on Amazon →Brand Bottom Line
- Brand Score
- A-
- Best Product
- Tranquil Sleep ($22) Buy on Amazon →
- Price Level
- Mid-range — near category average
- Quality
- 100% of products rated 4+★
- Best For
- Value-focused buyers who still want reliability
- Alternatives
- Nature's Way (Score A-) · AZO (Score A-)
Natural Factors pairs strong quality with accessible pricing — an easy recommendation. Start with the Tranquil Sleep.
Frequently Asked Questions
Is Natural Factors a good brand?
Natural Factors earns a Brand Score of A- on Mubboo. 100% of its 5 products are rated 4 stars or above, which puts it among the most consistent brands in herbal supplements. The main consideration is pricing — Natural Factors products average $27, in line with the category average.
What is the best Natural Factors product to buy?
Based on 2.2K reviews and a Mubboo Score of A, the Tranquil Sleep ($22) is Natural Factors's top pick. For a budget option, the Suntheanine L-Theanine 100 mg ($36) delivers 4.5★ at -59% of the cost.
Is Natural Factors worth the premium price?
Natural Factors prices close to the category average ($27 vs $27), so you're not paying a brand premium.
Natural Factors vs Nature's Way: which is better?
Natural Factors scores A- vs Nature's Way's A-. Natural Factors trails slightly on rating (4.5★ vs 4.65★), while Nature's Way has more total reviews (147K vs 15K).
Sources & References
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