10 Best additives of 2026

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1

Hot Shot's Secret
Hot Shot's Secret Everyday Diesel Treatment 16 oz. Squeeze Bottle 2 Pack, 6-in-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane, Packaging May Vary
Main highlights

Key Features
Boosts cetane up to 7 points, adds lubricity, prevents rust/corrosion, disperses moisture, and enhances fuel stability. Comes with a satisfaction guarantee.

Ideal Use Cases
Perfect for every-tank use in vehicles to improve fuel economy, protect the fuel system, and maintain engine performance in various weather conditions.

Customer Reviews
Most praised for significantly improving engine performance and fuel efficiency, with many noting a noticeable difference in their vehicle`s smoothness and power.
9.8

Exceptional

Our Rating

9.3
Simple to use

8.7
worth the money

8.7
distance
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Prolube

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear, Noise, Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
9.7

Exceptional

Our Rating
3

Skyhorse
A Consumer's Guide to Toxic Food Additives: How to Avoid Synthetic Sweeteners, Artificial Colors, MSG, and More
Main highlights

Comprehensive Guide to Avoiding Additives
Provides detailed insights on avoiding synthetic sweeteners, artificial colors, MSG, and more.

Ideal for Health-Conscious Individuals
Perfect for those looking to eat clean and understand food additives.

Praised for Easy Language
Highly appreciated for its easy-to-understand language by readers.
Key specs
- paperback:216 pages
- isbn 10:1510753761
- language:English
- isbn 13:978-1510753761
- dimensions:5.5 x 0.7 x 8.25 inches
9.5

Excellent

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Instruction
4

Skyhorse

Badditives!: The 13 Most Harmful Food Additives in Your Diet?and How to Avoid Them
9.4

Excellent

Our Rating
5

Liqui Moly
Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
Main highlights

Improves Lubrication Properties
Enhances oil lubrication, cleans valve bores, and prevents engine noises.

Ideal for Turbocharged Vehicles
Perfect for vehicles with turbochargers and catalytic converters.

Praised for Noise Reduction
Highly effective in minimizing lifter noise, as noted by users.
9.2

Excellent

Our Rating

9.1
materials Quality

8.0
worth the money

8.0
distance
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6

Oxyfresh
Oxyfresh Premium Pet Dental Care Solution Pet Water Additive: Best Way to Eliminate Bad Dog Breath and Cat Bad Breath - Fights Tartar & Plaque - So Easy, Just Add to Water! Vet Recommended 16 oz.
Main highlights

Fresh Breath Solution
Eliminates bad breath in pets with a fast-acting, easy-to-use water additive.

Hassle-Free Dental Care
Ideal for pet owners seeking an effortless way to maintain oral hygiene without brushing.

Customer Praised Effectiveness
Most users report significant improvement in pet breath and dental health.
Key specs
- Target Species:Dogs and cats
- Form:Liquid
- Dental Benefits:Fights plaque and tartar
- Packaging:2.52 x 2.52 x 7.8 inches
- Flavor:Odorless and tasteless
9.0

Excellent

Our Rating

9.5
Simple to use

8.9
Aroma

8.7
Flavor
7

Prolube

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear, Noise, Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)
8.9

Very Good

Our Rating
8

Lubegard
Lubegard 19610 Instant Shudder Fix
Main highlights

Instant Shudder Elimination
Lubegard 19610 instantly eliminates torque converter shudder for smoother rides.

Ideal for Quick Fixes
Perfect for temporary relief of transmission shudder issues.

Praised for Immediate Effectiveness
Customers appreciate its immediate impact on transmission performance.
8.7

Very Good

Our Rating

9.5
worth the money

9.3
distance
9

Rislone
Rislone 4405 Hy-per Lube Zinc ZDDP Supplement, 11 oz. | Real ZDDP Zinc Additive
Main highlights

Zinc Additive for Engine Protection
Prevents camshaft wear and reduces piston scuffing, increasing engine life.

Ideal for Older Engines
Makes newer oils work in older engines without catalytic converters.

Noise Reduction
Significant reduction in idle engine noise, smoothing engine performance.
Key specs
- performance:Increases Engine Life
- friction reduction:Reduces Piston Scuffing
- engine protection:Prevents Camshaft Wear
- compatibility:Makes Newer Oils Work
- wear reduction:Prevents Camshaft Wear
8.6

Very Good

Our Rating

9.9
Long life

9.7
worth the money

9.7
distance
10

Audible

Additives in Your Food: How to Spot Harmful Ingredients, Avoid Dangerous Additives, and Take Control of Your Health Through Smarter Eating
8.5

Good

Our Rating

10 Best additives of 2026

1

Hot Shot's Secret Everyday Diesel Treatment 16 oz. Squeeze Bottle 2 Pack, 6-in-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane, Packaging May Vary

9.3

8.7

8.7

How do we rank?

How do we rank?

Analyzing top stores

2

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear, Noise, Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)

3

A Consumer's Guide to Toxic Food Additives: How to Avoid Synthetic Sweeteners, Artificial Colors, MSG, and More

9.9

9.7

9.5

4

Badditives!: The 13 Most Harmful Food Additives in Your Diet?and How to Avoid Them

5

Liqui Moly 20004 Hydraulic Lifter Additive 300 ml

9.1

8.0

8.0

6

Oxyfresh Premium Pet Dental Care Solution Pet Water Additive: Best Way to Eliminate Bad Dog Breath and Cat Bad Breath - Fights Tartar & Plaque - So Easy, Just Add to Water! Vet Recommended 16 oz.

9.5

8.9

8.7

7

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear, Noise, Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)

8

Lubegard 19610 Instant Shudder Fix

9.5

9.3

9

Rislone 4405 Hy-per Lube Zinc ZDDP Supplement, 11 oz. | Real ZDDP Zinc Additive

9.9

9.7

9.7

10

Additives in Your Food: How to Spot Harmful Ingredients, Avoid Dangerous Additives, and Take Control of Your Health Through Smarter Eating

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