Natural Factors

Natural Factors

Brand Score A-

5 products · 4 categories · Avg 4.5★ · 14,579 reviews

Price range $15$42

Last analyzed: June 19, 2026

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Quick Take on Natural Factors

Score: A-
✅ Why buy Natural Factors
  • 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★
💡 Our top pick from Natural Factors
Tranquil Sleep

Natural Factors Tranquil Sleep

4.5 (2,216 reviews) · Score A

4.5★ with 2.2K reviews — top-rated in sleep supplements

Full Analysis →

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).

Quality100/100
Presence62/100
Value98/100
Depth50/100

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

This Brand

Natural Factors

A-

Avg Rating: 4.5

Reviews: 14,579

Avg Price: $27

100% rated 4+★

Most Popular

Nature's Way

A-

Avg Rating: 4.65

Reviews: 147,030

Avg Price: $15

100% rated 4+★

View brand →
Highest Rated

AZO

A-

Avg Rating: 4.67

Reviews: 80,431

Avg Price: $18

100% rated 4+★

View brand →
Best Value

Nature's Bounty

B+

Avg Rating: 4.65

Reviews: 29,815

Avg Price: $9

100% rated 4+★

View brand →

Our Top 3 from Natural Factors

🏆 Best Overall
Tranquil Sleep

Natural Factors Tranquil Sleep

4.5 (2,216 reviews) · Score A

4.5★ with 2.2K reviews — top-rated in sleep supplements

Full Analysis →
💰 Best Value
Suntheanine L-Theanine 100 mg

Natural Factors Suntheanine L-Theanine 100 mg

4.5 (1,779 reviews) · Score A

4.5★ with 1.8K reviews — top-rated in sleep supplements

Full Analysis →
🔥 Most Popular
DGL Chewable

Natural Factors DGL Chewable

4.4 (7,848 reviews) · Score A+

4.4★ with 7.8K reviews — a solid choice in herbal supplements

Full Analysis →

Where Natural Factors Is Strongest

herbal supplements
4.4★ avg
1 product
sleep supplements
4.5★ avg
2 products
Sleep Aids
4.5★ avg
1 product
lipid
4.6★ avg
1 product

herbal supplements

DGL Chewable
DGL Chewable
$22
Buy on Amazon

sleep supplements

Tranquil Sleep
Tranquil Sleep
$22
Buy on Amazon
Suntheanine L-Theanine 100 mg
Suntheanine L-Theanine 100 mg
$36
Buy on Amazon

What You'll Spend on Natural Factors

Most Natural Factors products fall between $15 and $42.

herbal supplements: Natural Factors averages $22, the category average is $29about $6 less
sleep supplements: Natural Factors averages $29, the category average is $25about $4 more
Sleep Aids: Natural Factors averages $42, the category average is $21about $21 more

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.

A common theme across reviews and Reddit threads is
  • Pleasant taste and enjoyable to take
  • Effective for targeted health support
  • Convenient and easy to incorporate into daily routine
  • Quick sleep onset
Common concerns
  • 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

Product data5 Natural Factors products tracked via Amazon/Keepa · last refreshed June 19, 2026.
Pricing514,606 price snapshots across the catalog · includes Amazon + official store where available.
Community sentimentAmazon verified reviews, aggregated from 5 products.
Methodology — Mubboo Brand Score v1.0: Quality (40%) · Presence (25%) · Value (20%) · Depth (15%).
Last analyzed: June 19, 2026 · updated automatically every 24 hours via ISR.

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