Protein World Slender Blend Vanilla - 600g

600 G | £3.33 per 100G

Pharmacy product

In order to buy non-prescription medicines you must be a registered user of our site as we are obliged to record your transaction history. We also ask that you complete our questionnaire so our pharmacy team can check that this product is suitable for you to buy.


Pharmacy product

You cannot add this item to the customer's basket

Will you be claiming the VAT back?

Disabled or chronically sick people can claim VAT relief on purchases for personal or domestic use that are applicable to their disability or sickness.

Maximum quantity reached

Add to basket
In stock
Check store stock

Collect 80 Boots Advantage Card points with this purchase

Arrow Product details

Protein World Slender Blend Vanilla - 600g

The Slender BlendTM meal replacement shake for weight control. Whey protein concentrate with sweetener, fortified with vitamins, minerals, botanicals and digestive enzymes.

  • 202 calories per serving
  • Low sugar
  • High protein
  • 15 servings

How to use

Meal Replacement: Add 40g (4 scoops) to 400ml of almond milk & shake well!
Snack / Post Workout: Add 40g (4 scoops) to 400ml of water & shake well!

Meal Replacement: Replace 1 or 2 meals per day, choose which meal based on your routine & preference.
Snack / Post Workout: Drink between meals or post workout as a snack.

Meal Replacement: Substituting two daily meals of an energy restricted diet with meal replacements contributes to weight loss.
Snack / Post Workout: Protein contributes to the maintenance and growth of muscle mass.

Hazards and Cautions

Food Supplements are intended to supplement the diet and should not be substituted for a varied diet or healthy lifestyle.

While every care has been taken to ensure this information is always as accurate as possible, food products are regularly improved and nutrition content may occasionally change. As a result we recommend that you always read the label carefully before using or consuming any products. Nutritional Reference Value (NRV) information is based on the typical composition of the product. Guideline daily amounts are those for a typical adult (men and women).NRV information for non Boots products is calculated by the manufacturer. Boots has no control over the recipe or nutritional content of such products and information on this site may differ to that given on the product label. We would therefore recommend you do not solely rely on this information and always read the product label. If you have any queries, or you would like advice on Boots products please contact our friendly Customer care team on 0345 609 0055.

This information was last updated 22/07/2020

Not suitable for children under 12 years

Do not exceed the stated dose.

Do not use if seal is broken.

During pregnancy and breastfeeding or if trying to become pregnant, please consult with your pharmacist or doctor before taking this product.


Store in a cool, dry place.
Keep out of the sight and reach of children.


Whey Protein Concentrate (milk), Skimmed Milk Powder (milk), Inulin, Natural Flavourings, Xanthan Gum (thickener), Protein World Vitamin & Mineral Blend [Potassium Hydrogen Orthophosphate, Vitamin C (Ascorbic Acid), Vitamin K2 (Menaquinone), Zinc Citrate, Niacin (Nicotinamide), Carbonyl Iron, Vitamin D (Cholecalciferol), Manganese Gluconate, Vitamin B6 (Pyridoxine Hydrochloride), Vitamin B1 (Thiamine Hydrochloride), Chromium Picolinate, Vitamin B5 (Calcium D-Pantothenate), Vitamin B2 (Riboflavin), Potassium Iodide, Vitamin B9 (Folic Acid), Sodium Molybdate, Sodium Selenite], Protein World Thermogenic Blend [Guarana Extract (22% caeine) & Green Tea Extract (40% polyphenols)], Sucralose (sweetener), Protein World Digestive Enzyme Blend (Lactase 3,500 ALU, Protease 10,000 HUT/g), Protein World Friendly Bacteria Blend (Bifidobacterium Bifidum, Lactobacillus Acidophilus).

For allergens see ingredients in bold. May also contain nuts. Made in a factory that handles wheat. Contains naturally occurring sugars.

Nutritional typical values per: 100g 40g with 400ml of water 40g with 400ml of almond milk % Adult RI*
Energy (kJ) 1578 631 850
Energy (Kcal) 376 150 202
Total Fat (g) 5.3 2.1 6.5
of which saturates (g) 3.2 1.3 1.7
Carbohydrate (g) 21.9 8.8 8.8
of which sugars (g) 19.2 7.7 7.7
Fibre (g) 4.1 1.6 3.2
Protein (g) 58.5 23.4 25.0
Salt (g) 0.89 0.36 0.88
Vitamin A (ug) 660.0 264.0 264.0 33%
Vitamin D3 (ug) 4.1 1.7 1.7 33%
Vitamin E (mg) 0.0 0.0 7.2 60%
Vitamin K2 (ug) 61.9 24.8 24.8 33%
Vitamin C (mg) 66.0 26.4 26.4 33%
Vitamin B1 (thiamine) (mg) 0.7 0.3 0.4 33%
Vitamin B2 (Riboflavin) (mg) 0.5 0.2 0.5 34%
Vitamin B3 (Niacin) (mg) 9.1 3.6 5.4 34%
Vitamin B6 (pyridoxine) (mg) 1.1 0.4 0.5 33%
Vitamin B9 (folic acid) (ug) 131.0 52.4 66.0 33%
Vitamin B12 (cobalamin) (ug) 0.0 0.0 15 61%
Vitamin B7 (Biotin) (ug) 0.0 0.0 18.0 36%
Vitamin B5 (pantothenic acid) (mg) 4.0 1.6 1.8 30%
Potassium (mg) 660.0 264.0 500.0 25%
Sodium (mg) 357.7 143.1 3511 15%
Calcium (mg) 412.0 164.8 240.0 30%
Phosphorus (mg) 210.0 84.0 238.8 34%
Magnesium (ug) 92.3 36.9 112.5 30%
Iron (mg) 9.6 3.8 4.8 30%
Zinc (mg) 5.9 2.3 3.3 33%
Copper (mg) 0.0 0.0 0.4 36%
Manganese (mg) 0.2 0.1 0.7 33%
Selenium (ug) 44.3 17.7 18.2 33%
Chromium (ug) 33.0 13.2 13.2 33%
Molybdenum (ug) 41.3 16.5 16.5 33%
Iodine (ug) 1224.4 48.9 49.5 33%
Protein World Thermogenic Blend
Guarana extract (22% caffeine) (mg) 250 100 100
Green tea extract (40% polyphenols) (mg) 250 100 100
Protein World Digestive Enzyme Blend
Lactase (3500 ALU) (mg) 100 40 40
Protease (10,000 HUT/g) (mg) 62.5 25 25
Protein World Friendly Bacteria Blend
Bifidobacterium bifidum (CFU) 2.5 billion 1 billion 1 billion
Lactobacillus acidophilus (CFU) 2.5 billion 1 billion 1 billion
Inulin (g) 4.0 1.6 1.6

Reference intake of an average adult (8400kJ / 2000kcal).

Reference intake not established. Contains 24mg of natural caffeine per serving. more less

Delivery options

Click & Collect
£1.50 or free if you spend £15 or more from your choice of 2,200 stores.

Standard Delivery
£3.75 or free when you spend £25 or more.

Next Day Delivery
Order by 8pm (subject to change during promotions), available 7 days a week for £4.95. This may not be available during public holidays or weekends in between public holidays. Usually delivered between 8am and 9pm. The earliest delivery date for these orders will be shown at the checkout.

Named Day Delivery
£3.95 - choose a weekday within the next 14 days for delivery.

For more information see our delivery help or view our returns policy.