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Best Strengthener - Holiday Sale

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Last Updated - 16.12.2025

Best Choice

01

FUNFLEX

FUNFLEX Hand Trainer, Finger Trainer, Adjustable Grip Strength Trainer Set, 5 Pieces, Forearm Trainer, Finger Stretcher, Neoprene Wrist Band, Finger Grip Trainer, Grip Ring, Hand & Forearm Training

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9.9

Exceptional

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.

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Main highlights

[Customer Service 24/7] Our support is available 24/7 and helps with questions about the hand muscle trainer. Trust our expertise to achieve your grip strength and forearm goals.
[Built-in progress counter] Our adjustable forearm training device has a built-in counter that tracks your progress during each repetition. Press and turn the button to reset. This feature helps track your training progress. Adjust the resistance (5-60 kg) to your strength.
[Adjustable Resistances] The silicone finger strength trainer offers flexible resistance levels (level 1-4) for targeted finger training. The comfortable bracelet ensures a stable grip on the wrist while improving your forearm and finger grip strength.
For sports, music and everyday life - specifically strengthen your grip strength and forearm muscles - ideal for climbing, fitness, playing instruments, office work or everyday life. Training improves control, endurance and strength in hands and fingers.
Comprehensive training set: This 5-piece set offers everything for effective forearm strength training. Included are an adjustable hand trainer (5 - 60 kg), a finger trainer band with 8 resistance levels, a finger strength trainer for fine motor skills, as well as a hand grip trainer ring for targeted forearm strength training at home.

19,99 €
Value for Money

02

Strength Shop

Strength Shop Smelling Gel Made of Extra Strong Ammonia, 1 x 50 ml, Extreme Focus & Alertness, Ideal for Gym, Weight Training, Powerlifting etc.

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9.7

Exceptional

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.

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Main highlights

Storage instructions: the contents may occasionally leak to avoid overpressure. This is normal and intentional. Therefore, always store the bottle upright at temperatures between 8 and 20 degrees Celsius
Highly effective – activates the respiratory membrane, increases breathing and heart rate and stimulates the sympathetic system to release adrenaline. The short-term improved gross motor skills are ideal for heavy weightlifting and AMRAP sets
Extra strong – experience maximum focus, alertness and concentration and increase your performance
Easy to use – open the bottle, remove the seal and smell from a safe distance (15 cm). Immediately reseal the bottle. Ready to Lift!
Box contents: 1 x 50 ml

19,95 €
03

NIYIKOW

Niyikow Hand Exerciser Forearm Trainer, Adjustable Resistance 10–60 kg, Hand Forearm Training Device, Grip Strength Trainer, Non-Slip Handle, for Athletes and Hand Recovery, Black

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9.5

Excellent

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.

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Main highlights

Improve your grip and restore strength – the adjustable Niyikow grip strengthener is ideal for strengthening hands, forearms, wrists and fingers. It is simple and efficient, helping to strengthen grip, relieve stress and increase endurance.
High-quality and long durability: our grip strength trainer is made of durable plastic and reinforced metal alloy, unlike our competitors who break quickly or are even made from inferior materials. Our product is durable and safe and will not hurt your hands and fingers, giving you an excellent user experience.
Designed for all hand sizes and portable – whether it is used by women or men, children or adults, beginners or experienced people, you can start grip training anytime and anywhere. Suitable for all ages and fits all hand sizes. The Niyikow hand gripper is made of lightweight and high-quality materials, so that you can easily put it in your pocket and take it anywhere.
Adjustable resistance and portable, suitable for home gym – the resistance is adjustable, so that you can adjust it from 10 kg to 60 kg according to your needs. Exercises can be performed at home or in the office in just 5–10 minutes a day. Perfect for athletes, musicians, climbers, tennis players, etc.

7,99 €
04

FUNFLEX

FUNFLEX Hand Trainer, Finger Trainer, Grip Strength Trainer, Set of 2, 5-60 kg, Adjustable Resistance Forearm Trainer, Grip Ring, Finger Strength Grip Trainer, Fitness Strength Training for Hand

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9.2

Excellent

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.

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Main highlights

Grip strength ring included in two strengths - The training ring with 30 and 40 lb complements the set perfectly for targeted finger training and relaxing hand exercises in between
Ergonomic handle with non-slip design - Non-slip handle for a secure grip during training even with sweaty hands
Compact and easy to carry - Perfect for at home on the go, in the office or when travelling always at hand for short training sessions
Built-in repetition counter - With built-in counter for easy training control, ideal for progress and motivation during daily training
Adjustable resistance from 5 to 60 kg - The hand trainers adapt to your training level, ideal for grip strength training, forearm training and hand training during sports or fitness training

12,99 €
05

FUNFLEX

FUNFLEX Hand Trainer, Finger Trainer, Adjustable Grip Strength Trainer Set, 5 Pieces, Forearm Trainer, Finger Stretcher, Wrist Band, Finger Grip Trainer, Grip Ring, Hand & Forearm Training

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9.1

Excellent

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.

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Main highlights

[Customer Service 24/7] Our support is available 24/7 and helps with questions about the hand muscle trainer. Trust our expertise to achieve your grip strength and forearm goals.
[Adjustable Resistances] The silicone finger strength trainer offers flexible resistance levels (level 1-4) for targeted finger training. The comfortable bracelet ensures a stable grip on the wrist while improving your forearm and finger grip strength.
For sports, music and everyday life - specifically strengthen your grip strength and forearm muscles - ideal for climbing, fitness, playing instruments, office work or everyday life. Training improves control, endurance and strength in hands and fingers.
Comprehensive training set: This 5-piece set offers everything for effective forearm strength training. Included are an adjustable hand trainer (5 - 60 kg), a finger trainer band with 4 resistance levels, a finger strength trainer for fine motor skills, as well as a hand grip trainer ring for targeted forearm strength training at home.
(Adjustable resistance) - The resistance of the hand gripper can be adjusted between 5 kg - 60 kg. Adjust the resistance to your force level. Improve your finger and wrist flexibility with the hand strength trainer.

12,99 €
06

OPI

OPI Natural Nail Strengthener - 2-in-1 Nail Hardener and Base Coat - Strengthens with Vitamin A & E - Protects Against Discolouration and Extends the Life of Nail Polish

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8.9

Very Good

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.

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Main highlights

The formula is enriched with vitamins A and E. As a primer, it protects natural nails from discolouration. With the professional ProWide nail polish brush, the nail polish can be applied streak-free and offers the optimal basis for long durability.
Natural nail strengthener can be combined with all OPI nail lacquer colours. Complete your nail care routine with OPI Repair Mode and Nail Envy - to repair even broken nails
Natural Nail Strengthener is the first step in your manicure routine for strong nails. Alone or as a base coat for OPI Nail Lacquer, it strengthens splintering and cracked nails and moisturises.
Contents: 15 ml colourless nail polish with vitamin A & E
Base coat for protection and durability

12,00 €
07

essie

essie Hard to resist advanced nail strengthener, nail hardener for stronger and healthier nails, 13.5 ml

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8.8

Very Good

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.

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Main highlights

The nail hardener strengthens soft and damaged nails with MSM technology
The nail hardener counteracts brittle nails as well as breaking off - for strengthened nails in no time
The essie hard to resist advanced nail strengther has a clinically tested, clear formula for weak, damaged nails
Thanks to the hard to resist advanced nail strengthener, the nails become more resistant to damage and dryness
In just three days, nails look healthier and stronger thanks to the nail hardener

11,95 €
08

FitBeast

Hand Exerciser for Strengthening Forearm Grip Training Set - Pack of 5 FitBeast Adjustable Hand Exerciser Finger Stretcher Training Ring & Stress Relief Grip Ball for Athletes, black

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8.7

Very Good

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.

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Main highlights

【Suitable for rehabilitation in the event of injury】: Daily hand training with this hand trainer is also ideal for rehabilitation. If you suffer from rheumatoid arthritis, arthropathy, tendonitis, cardan tunnel or tennis elbow and are on the path of recovery from a broken wrist or tendon surgery, then this is the perfect trainer for you.
Ideal for everyone: The forearm grip strength trainer is ideal for improving strength, power and speed in the wrists, fingers and forearms. The best choice for climbers, tennis players, athletes, golfers and musicians to improve the flexibility of fingers and wrists.
Hand trainer for increasing strength, underarm grip exercise set – pack of 5. Includes an adjustable hand trainer to increase strength, a finger training device, a resistance chain band for the finger stretcher, a grip ring to increase hand strength, a stress relief grip ball. Helps strengthen and train your hand, fingers, wrist, elbows and forearms.
Comfortable and durable: thanks to the ergonomic and soft grip of the hand trainer for improving strength it is comfortable in the hand. Suitable for small and large hands, seniors and teenagers. The resistance of the hand trainer can be easily adjusted from 22 to 88 kg, ideal for men and women of different strength. You can use the hand trainer anywhere, anytime, super easy to use!
- We provide you with a professional guide poster and educational videos. -

18,99 €
09

Azan Strength

Azan Strength SKULLCRUSH Extremely Strong Smelling Salt - Strength 3/5 - Green Apple Smell - for Professional Sports such as Bodybuilding, Powerlifting, Strongman, Ice Hockey

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8.6

Very Good

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.

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Main highlights

No wrong activation possible: Forget a cumbersome activation fill with water! Simply tilt the contents of the enclosed bag into the tin, shake and feel the ultimate strength of our smelling salt.
Maximum power: Our smelling salt is activated by the end customer - so it always stays fresh and does not lose its effect during storage.
Made in Germany: Made and carefully packaged in Germany, our smelling salt guarantees maximum freshness and effectiveness.
Individual strength: choose your appropriate intensity. The different thicknesses are clearly marked so you can always find the right level.
Direct communication with us: Do you have any suggestions or are not satisfied? Just write to us! (Instagram @azanstrength)

18,95 €
10

Kiehl's

Kiehl's Ultimate Strength Hand Salve

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8.5

Good

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.

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Main highlights

Responsible ingredients:
Natural support for your diet
Energy booster in everyday life

12,24 €