Best Formula Diäten 2025

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Last Updated - 26.07.2025

Best Choice

01

Energybody

Energybody KET'ONE Shake Coconut 600 g/Protein Powder for Ketogenic Nutrition / Keto Shake with MCT Powder & Whey Protein Isolate / Rich in Essential Amino Acids & BCAAs

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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

Taste and dosage – Our keto shake vanilla has an irresistibly aromatic taste, which is why it is ideal as a base for your smoothie and also for keto-friendly baked goods. Per serving add 20 g powder (= 2 level measuring spoons) with 150 ml of water into a shaker and approx. Shake for 20 seconds. Take 1 serving each morning after getting up and in the afternoon between meals
Premium quality from Germany – Energybody stands for the best product quality. All products have been manufactured in Germany for over 30 years and strictly controlled. Best quality and a first-class team of experts for your success. Includes the keto cookbook. The 25 best keto recipes including keto guide.
Low carb: healthy fats instead of sugar. Even people without special "nutritional requirements" can confidently incorporate our diet shake with whey protein into their diet to enrich their diet with high-quality kcal. We wish you success with your low carb diet
Fitness shake – we offer you here "State of the Art" products for nutritional supplement. Finest whey protein isolate, rich in essential amino acids with high biological value, optimises our keto protein formula synergistically. Of course, you will hardly find sugar in the recipe (<0.5 g per serving), which does not mess up your diet plan.
Faster in ketose – the Ket'One-Shake made of whey protein isolate and MCT powder made from coconut oil makes it possible! The fat content is above the protein content, which makes our shake powder predestined especially for the ketogenic diet. MCTs are quickly available as energy - this brings performance and gives you noticeably more energy for everyday life.

38,99 €
Value for Money

02

REDUZIN

Reduzin Diet Shakes for Weight Loss - Vanilla - 25 Creamy Vanilla Shakes per Tin, Only 208 kcal, Delicious Slimming Shake, Meal Replacement for Drinking with 21.7 g Protein per Serving

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9.6

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

Versatile and easy to use – Our practical drinking meal is ideal for on the go, home, in the office or after training to provide your body with important nutrients and support you in achieving your goals.
Slimming shake: ideal for anyone looking for a delicious, balanced drinking meal to support weight loss and control in different flavours.
Meal replacement – Delicious shake for weight loss as a holistic food replacement with high-quality vitamins, minerals, carbohydrates and amino acids.
Diet products – a shake = a meal, with 21.7 g protein per serving and essential vitamins and minerals as a holistic dietary substitute.
Delicious taste – Our meal replacement shake impresses with a natural and delicious taste reminiscent of a creamy milkshake from the ice cream parlour.

29,95 €
03

BRNR

BRNR Turbo BRNR Instant Metabolism Formula with Choline, Green Tea Extract, Glucomannan, Garcinia Cambogia, Guarana, 120 Capsules

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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

The proven guarana extract is very popular in the field of fitness and contains natural caffeine
Plant formula: green tea extract (EGCG) high dose, garcinia cambogia (HCA), guarana extract
Metabolism: Immediate metabolism formula with choline, which contributes to a normal metabolism
Fibre: optimised with the vegetable fibre glucomannan, which swells strongly in the stomach with water
Advantages: finally achieve your own goals and feel comfortable again! With the brand quality of BRNR!

29,90 €
04

SlimFast

SlimFast Variety Shakes - Protein Shake Trial Pack Mixed I Diet Shakes for Weight Loss I 10 Servings I Protein Powder Vitamin-Rich Drinking Meal

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9.3

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

Vitamin rich protein drink: a SlimFast protein shake provides the body with proteins as well as one third of the recommended daily dose of the most important vitamins. Ideal as part of a weight-controlling, balanced diet
THE SLIMFAST DIET PLAN: Revolutionary formula for delicious drinking food. Since the 70s, the SlimFast formula has been helping with diets and diet changes
Meal replacement: when hunger strikes, shake the powder in the mixing cup. In combination with a healthy diet and plenty of exercise, the weight loss shake is an important part of the diet plan: it is best to replace two meals a day with shakes
Many proteins, few calories: the low carb diet shake for weight loss has a very high protein content, but only 225 calories per drinking meal with full taste
Diet shake tasting set: banana, chocolate, strawberry and vanilla - the package offers the most popular slimming shake classics with protein powder as well as 23 vitamins, minerals and fibre

19,99 €
05

OPTIFAST

OPTIFAST Tasting Package with Diet Soups for Weight Loss, Protein-Rich Meal Replacement with Important Vitamins and Minerals, Quick Prepared and Delicious in Flavour, 8 x 55 g

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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

So delicious can be slimming - the OPTIFAST soups taste heartily delicious of tomato, potato leek and vegetables.
Quality that tastes - The OPTIFAST products are developed by respected nutrition experts to support you on your way to a feel-good weight.
Pleasant satiety feeling: the special protein-fiber-carbohydrate combination and the special consistency help you keep the diet through.
Full quality meal replacement - Our soups contain all the essential nutrients, such as vitamins, minerals and proteins to provide the body comprehensively.
Flexible weight loss - The OPTIFAST soups are perfect as a meal replacement and with only around 216 calories just as nutritious as a meal.

23,54 €
06

RIVA

Leicht abnehmen! Das Rezeptbuch: Schnell Gewicht verlieren mit Eiweiß und Formula-Mahlzeiten. Und für danach: 70 einfache und abwechslungsreiche LOGI-Rezepte rund um den Powerstoff Eiweiß

30% Off
9.0

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.
Main highlights

8,95 € 12,95 €(30% Off off)
07

BRNR

BRNR Easy BRNR Light Formula 5-in-1, Metabolic Treatment with Choline, Blood Sugar Level Formula with Chrome, Fibre Glucomannan, Green Tea Extract, 120 Capsules

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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

Plant substance: the proven green tea extract is very popular in the field of fitness and contains natural caffeine
Metabolism: extensive metabolism formula with choline, zinc and chromium, each contributing to a healthy metabolism
Fibre: optimised with the vegetable fibre glucomannan, which swells strongly in the stomach with water
BLOOD SUGAR A balanced blood sugar level is so important. Chrome contributes to normal blood sugar levels
Advantages: finally achieve your own goals and feel comfortable again! With the German brand quality of BRNR!

29,90 €
08

NaroVital

NaroVital Metabolism Complex - High Dose with Green Tea, Green Coffee, Bitter Melon, Guarana, Choline and Ginger - 90 Vegan Metabolism Capsules - Tablets Diet Support

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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

With 11 ingredients: with green tea, green coffee, bitter melon, guarana, choline and ginger. With vitamin B2 and B6, which contribute to normal energy metabolism, as well as zinc and chromium, which play a role in macronutrient metabolism. Choline, which contributes to normal fat and lipid metabolism, makes this product a comprehensive partner for your metabolism.
Quality that convinces: We attach great importance to high-quality raw materials, because only the best is good enough for us. All our products are manufactured under the highest pharmaceutical conditions in strictly tested and certified facilities in Germany - Made in Germany. So we can guarantee the highest quality and purity.
No risk: We at NaroVital are convinced of our products and therefore grant you a 100 day return policy if you are not satisfied. Simply return the product and you will receive a full refund of the purchase price. Even when the tin is opened. No annoying questions!
Metabolism complex: Support your metabolism with "Metabolism Plus", a premium complex of exquisite plant extracts and essential nutrients. This unique formula naturally promotes your energy metabolism¹, carbohydrate metabolism², fat metabolism³ and macronutrient metabolism.
100% vegan. We believe that the best source of ingredients always comes from nature. We do not use cruel animal testing and use only vegan ingredients in Metabolism Plus, as well as gelatin-free capsule cases. Thus, our product is also ideal for vegetarians and vegans.

23,97 €
09

My perfect Shape

My perfect Shape - Protein Diet Powder as Meal Replacement - Quick and Delicious (Vanilla Cream) Weight Loss without Yo-Yo Effect - Protein Shake for Muscle Maintenance and Diet Success - 500 g (25

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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

Two types of protein – for muscles and diet: soy and whey protein are the recipe for success from My perfect Shape for men and women – with extra lots of natural protein (60%!) + L-carnitine and much more. Ideal as a fat, carbohydrate and low-calorie meal replacement. Best 1-2 meals daily (dissolved in milk or water) and you will see the results thanks to this "Formula Diet" on the scale. And without yo-yo effect.
Should your diet be comfortable and effective? And you also don't want to take any chemical diet pills from experts? Then you should lose weight with natural protein! Whether a diet shake, similar to a fat burner, is quick and effective depends on its ingredients. My perfect Shape has high-quality proteins (plant and whey protein powder), enriched with natural vitamins, minerals and trace elements.
Lose weight quickly and comfortably slimming: the goal of many people who want to lose a few pounds with or without sports. Support your weight loss and normalise your energy metabolism - with My perfect Shape protein! * Because only if the body's metabolism works well, the body can burn fat. If the metabolism is disturbed, you increase.
Laboratory tested premium quality: our dietary supplements are tested by a German institute before they come on the market. That's why FeelGood stands for premium quality.
Best value for money: Don't settle for anything less than the best for your health. Our dietary supplements are not always the cheapest. For this, you can be sure that you are using a truly high-quality premium product. Less should not be worth your health.

9,99 €
10

riva Verlag

Leicht abnehmen! Geheimrezept Eiweiß: So werden Sie die Pfunde sicher los! Gewicht verlieren mit Eiweiß und Formula-Mahlzeiten. Und dann: Gesund und schlank auf Dauer mit LOGI
8.4

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.
Main highlights

19,99 €