SlimFast

SlimFast

Brand Score B+

9 products · 1 categories · Avg 4.54★ · 43,640 reviews

Price range $11$31

Last analyzed: June 5, 2026

Browse products ↓

Quick Take on SlimFast

Score: B+
✅ Why buy SlimFast
  • Only 0% of products fall below 4 stars — rare misses across the lineup
  • 44K+ reviews give a reliable read on real-world quality
  • Focused on Meal Replacement Shakes, where it averages 4.54★
⚠️ Keep in mind
  • Priced below the category average — verify individual specs match your needs before buying
  • A narrow lineup (1 category) — limited options if you want range
💡 Our top pick from SlimFast
Meal Replacement Powder

SlimFast Meal Replacement Powder

4.7 (3,999 reviews) · Score A+

4.7★ with 4K reviews — top-rated in Meal Replacement Shakes

Full Analysis →

Brand Score: B+

B+ in Meal Replacement Shakes — SlimFast's 9 products average 4.54★ across 1 category, with Meal Replacement Shakes as the strongest line (4.54★ avg).

Quality100/100
Presence69/100
Value100/100
Depth13/100

SlimFast earns a Brand Score of B+ on Mubboo, based on analysis of 9 products across 1 category. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Category depth (13/100) is the area with the most room for improvement. SlimFast's primary strength is in Meal Replacement Shakes, where it averages 4.54★.

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 9 SlimFast products · last analyzed June 5, 2026.

How SlimFast Compares

This Brand

SlimFast

B+

Avg Rating: 4.54

Reviews: 43,640

Avg Price: $22

100% rated 4+★

Most Popular

Premier Protein

A-

Avg Rating: 4.63

Reviews: 80,076

Avg Price: $28

100% rated 4+★

View brand →
Highest Rated

Atkins

B+

Avg Rating: 4.67

Reviews: 35,410

Avg Price: $19

100% rated 4+★

View brand →
Best Value

Garden of Life

B+

Avg Rating: 4.2

Reviews: 33,444

Avg Price: $31

100% rated 4+★

View brand →

Our Top 3 from SlimFast

🏆 Best Overall
Meal Replacement Powder

SlimFast Meal Replacement Powder

4.7 (3,999 reviews) · Score A+

4.7★ with 4K reviews — top-rated in Meal Replacement Shakes

Full Analysis →
💰 Best Value
Meal Replacement Powder

SlimFast Meal Replacement Powder

4.6 (9,003 reviews) · Score A+

4.6★ with 9K reviews — top-rated in Meal Replacement Shakes

Full Analysis →
🔥 Most Popular
Meal Replacement Powder

SlimFast Meal Replacement Powder

4.6 (15,797 reviews) · Score A+

4.6★ with 16K reviews — top-rated in Meal Replacement Shakes

Full Analysis →

Where SlimFast Is Strongest

Meal Replacement Shakes
4.54★ avg
9 products

Meal Replacement Shakes

View all →
Meal Replacement Powder
Meal Replacement Powder
$31
Buy on Amazon
Meal Replacement Powder
Meal Replacement Powder
$11
Buy on Amazon
High Protein Meal Replacement Powder
High Protein Meal Replacement Powder
$27
Buy on Amazon
High Protein Meal Replacement Powder
High Protein Meal Replacement Powder
$27
Buy on Amazon
Meal Replacement Powder
Meal Replacement Powder
$11
Buy on Amazon
Protein Shake
Protein Shake
$25
Buy on Amazon

What You'll Spend on SlimFast

Most SlimFast products fall between $11 and $31.

Meal Replacement Shakes: SlimFast averages $22, the category average is $38about $16 less

SlimFast sits below the category average on price — a value-focused brand. Check individual specs to confirm fit.

What People Say About SlimFast

Aggregated from review themes across 9 SlimFast products.

A common theme across reviews and Reddit threads is
  • Delicious taste that avoids chalky aftertaste
  • High protein content supports satiety and nutrition goals
  • Smooth, creamy texture akin to chocolate milk
Common concerns
  • Some powders contain sugar as primary ingredient
  • Consistency can be thinner than expected in ready‑to‑drink shakes
  • Reformulations alter familiar flavors

Expert Coverage

8 SlimFast products have coverage from independent expert publications: Cnet. Source links in References.

Where to Buy SlimFast

SlimFast products are available on Amazon — 9 products across 1 categories.

Browse SlimFast on Amazon →

Featured in Our Reviews

Brand Bottom Line

Brand Score
B+
Best Product
Meal Replacement Powder ($11) Buy on Amazon →
Price Level
Budget — below category average
Quality
100% of products rated 4+★
Best For
Value-focused buyers who still want reliability
Alternatives
Premier Protein (Score A-) · Atkins (Score B+)

SlimFast is a solid choice in Meal Replacement Shakes, with a few standouts worth a look. Start with the Meal Replacement Powder.

Frequently Asked Questions

Is SlimFast a good brand?

SlimFast earns a Brand Score of B+ on Mubboo. 100% of its 9 products are rated 4 stars or above, which puts it among the most consistent brands in Meal Replacement Shakes. The main consideration is pricing — SlimFast products average $22, $16 below the category average.

What is the best SlimFast product to buy?

Based on 4K reviews and a Mubboo Score of A+, the Meal Replacement Powder ($11) is SlimFast's top pick. For a budget option, the Meal Replacement Powder ($11) delivers 4.6★ at 0% of the cost.

Is SlimFast worth the premium price?

SlimFast prices close to the category average ($22 vs $38), so you're not paying a brand premium.

SlimFast vs Premier Protein: which is better?

SlimFast scores B+ vs Premier Protein's A-. SlimFast trails slightly on rating (4.54★ vs 4.63★), while Premier Protein has more total reviews (80K vs 44K).

Sources & References

Product data9 SlimFast products tracked via Amazon/Keepa · last refreshed June 5, 2026.
Pricing514,606 price snapshots across the catalog · includes Amazon + official store where available.
Community sentimentAmazon verified reviews, aggregated from 9 products.
Expert reviews8 products carry coverage from Wirecutter, RTINGS, CNET where available.
Methodology — Mubboo Brand Score v1.0: Quality (40%) · Presence (25%) · Value (20%) · Depth (15%).
Last analyzed: June 5, 2026 · updated automatically every 24 hours via ISR.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Brand Score, product rankings, or editorial judgments.