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Best additives - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
10% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Prolube
10% Off

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

Prolube

$35.00

$38.99
(10% Off)

More Details
Main highlights
- VERSATILITY YOU CAN COUNT ON: Designed for any engine, oil treatment offers tailored ratios, such as 1 oz per quart for standard engines or 2 oz for heavy-duty or high-mileage engines. Perfect for cars, trucks, and industrial machinery.
- SAVE ON FUEL COST: With our prolube oil additive, reduce fuel consumption! Its advanced formula decreases engine friction, optimizing component efficiency and helping your engine from overheating.
- READY FOR ANY ENGINE TYPE: This versatile oil additive for car engine is compatible with gas and diesel engines, transmissions. Its easy-to-use formula blends seamlessly with synthetic engine oils for hassle-free application.
- POWER UP ENGINE, CUT THE NOISE: Maximize your engine’s performance with prolube oil treatment additive. It enhances horsepower, minimizes engine noise, and smooths vibrations for a quieter, better engine behavior under daily and heavy use
- EXTEND ENGINE LIFESPAN: Protect your engine with engine oil treatment that reduces reduce engine wear up to 45 %. Improve components condition and extends engine life.
$35.00
$38.99 (10% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Prolube

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

Prolube

$26.99

$28.99
(6% Off)

More Details
Main highlights
- VERSATILITY YOU CAN COUNT ON: Designed for any engine, oil treatment offers tailored ratios, such as 1 oz per quart for standard engines or 2 oz for heavy-duty or high-mileage engines. Perfect for cars, trucks, and industrial machinery.
- SAVE ON FUEL COST: With our prolube oil additive, reduce fuel consumption! Its advanced formula decreases engine friction, optimizing component efficiency and helping your engine from overheating.
- READY FOR ANY ENGINE TYPE: This versatile oil additive for car engine is compatible with gas and diesel engines, transmissions. Its easy-to-use formula blends seamlessly with synthetic engine oils for hassle-free application.
- POWER UP ENGINE, CUT THE NOISE: Maximize your engine’s performance with prolube oil treatment additive. It enhances horsepower, minimizes engine noise, and smooths vibrations for a quieter, better engine behavior under daily and heavy use
- EXTEND ENGINE LIFESPAN: Protect your engine with engine oil treatment that reduces reduce engine wear up to 45 %. Improve components condition and extends engine life.
$26.99
$28.99 (6% Off)
3
Best Value
26% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Skyhorse
26% Off

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

Skyhorse

$11.00

$14.99
(26% Off)

More Details
Main highlights
$11.00
$14.99 (26% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Skyhorse

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

Skyhorse

$14.99

More Details
Main highlights
$14.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

STA-BIL

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.

STA-BIL

$12.48

More Details
Main highlights
- Used in 2-cycle and 4-cycle engines
- Replaces: Cub Cadet 22216, 22287
- Keeps stored fuel fresh; Prevents varnish and gum deposits
- Corrosion protection to help prevent and protect against problems caused by ethanol-blended fuels
- 32 oz. treats 80 gallons of fuel; 1 oz. treats 2 1/2 gallons of fuel
$12.48

Best additives - Holiday Sale 2025

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

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

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

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

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.

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E for Additives (Completely Revised Bestselling Number Guide)

TropiClean Fresh Breath Water Additive for Dogs, Dog Breath Freshener and Teeth Cleaning Solution, No Toothpaste or Toothbrush Required, 33.8oz.

Arm & Hammer Complete Care Dental Water Additive for Dogs, Dog Breath Freshener, Dog Mouth Wash or Dental Rinse, Simply Add to Pet Drinking Water for Fresher Breath, 16 FL OZ

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Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner Helps Increase Gas Mileage Improves Engine Performance Year Round Performance, 12 fl. oz. (28202) , Red

Hot Shot's Secret EDT+ Winter Defense, 7-in-1 Anti-Gel Diesel Fuel Additive, Prevents Gelling, Protects Diesel Fuel System, Diesel Additive Improves Cold Start, Boosts Cetane, 16oz, Packaging May Vary

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