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Rule One - Pump Stim-Free 270 g Powder
-20%
RRule One

Rule One Pump Stim-Free 270 g Powder

★★★★★Signe B.

I have used the unflavoured one when it was on sale, and it was perfect. But now I am using this flavoured one because it was on sale, so I had to take it. It contains the same ingredients as the unflavoured one but with many unhealthy additives (75g) such as blue colouring. That is why I am lowering the rating.

★★★★★Oskar I.

Excellent quality of the ingredients with an effective dosage for training and strength benefits.

Read all 10 reviews →

Pump Stim-Free from Rule One delivers muscle pump without caffeine – perfect before training for increased blood circulation and focus.

€31.00€39.00Save €8.00

Lowest price last 30 days: €31.00·Inc. VAT·Earn 345 points

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Servings per pack
30

Stock figures are indicative — supply may run out quickly, we can't guarantee availability

Description

Product Overview

Rule One - Pump Stim-Free is a powdered dietary supplement specially designed for those who want extra focus on muscle pump and blood circulation during training without adding stimulating substances like caffeine. The product comes in a convenient 270 gram tub, which is enough for many servings and makes it easy to dose as needed. Rule One Nutrition is an American brand founded with the goal of offering pure and effective sports supplements with a clear ingredient list and high quality. Their philosophy is based on transparency and developing products that support performance without unnecessary additives.

What makes Pump Stim-Free particularly interesting is its focus on providing a powerful pump experience and increased blood flow capacity without stimulation, which is perfect for those who want to avoid caffeine or other nervous system stimulants but still maximise their training experience.

Active Ingredients & Science

This product contains, among other things, citrulline malate, known for its good bioavailability and ability to contribute to increased nitric oxide production in the body, which can help improve blood circulation. It also includes betaine, a natural substance linked to cellular fluid balance and muscle volume. The formulation is carefully composed to ensure that the ingredients are in forms that are efficiently absorbed without unnecessary fillers.

Benefits & Uses

  • Optimises muscle pump during training without stimulation from caffeine or other nervous system stimulants.
  • Ideal for those who train late in the day and want to avoid sleep disturbances.
  • A good choice for people sensitive to stimulants but who still want the benefits of increased blood flow and muscle volume.
  • Easy to mix in water or any preferred drink, making it convenient to take to the gym or use at home.
  • Can be combined with other supplements, such as creatine or protein, for a complete training routine.

Usage & Dosage

The recommended dosage is one scoop (approx. 9 grams) mixed in 250-350 ml of water, about 20-30 minutes before training. The product can be taken on an empty stomach or with a light snack depending on what feels best for you. Avoid exceeding the recommended dose to ensure optimal effect and avoid discomfort. For best results, Pump Stim-Free can be combined with other Rule One products but should not be used together with other stimulants.

Quality & Manufacturing

Rule One Nutrition produces its supplements in GMP-certified facilities in the USA, meaning every step in the manufacturing process follows strict quality controls. The products are carefully tested for purity and content, without unnecessary additives or artificial colours. The packaging is designed to preserve the product's freshness and ensures long shelf life when stored correctly. The company places great emphasis on transparency and high standards at every stage, giving you as a consumer confidence.

Who is the product suitable for?

Pump Stim-Free is especially suitable for active individuals who want to enhance their training experience through increased pump and blood circulation without adding stimulation. It is a good choice for those who train late in the evening, people sensitive to caffeine, or those who want to avoid nervous system stimulants. The product can be used by adults of all ages but is not intended for pregnant or breastfeeding women. People with medical conditions or who take medication should consult a doctor before use. The product contains no common allergens but it is always good to read the ingredient list carefully.

Summary

Rule One - Pump Stim-Free is a well-balanced pre-workout supplement for those seeking an effective muscle pump without stimulation. With high-quality ingredients and a manufacturing process that follows strict standards, this is an option for those who want to optimise their training in a clean and simple way. We recommend Pump Stim-Free to anyone who wants a clear pump experience without caffeine and other nervous stimulants.

Contents & Nutrition

Nutrition declaration

Per EU regulation 1169/2011

Recommended daily dose

Mix 1 scoop (approximately 14.5g) with 240-360ml cold water. Drink before or during training. Combine with a balanced diet and regular exercise.

Content per daily dose

Active IngredientAmount% of NRV*
Vitamin C (ascorbic acid)250mg313%
L-citrulline3g
Taurine2g
Betaine (anhydrous)1g
Inositol-stabilised arginine silicate (Nitrosigine®)500mg
L-arginine500mg
Whole grape extract (grape extract)100mg
Pine bark extract100mg
S7® (green coffee, green tea, turmeric, sour cherry, blueberry, broccoli, kale)50mg
AstraGin® (root extract of Astragalus membranaceus, root extract of Panax notoginseng)50mg

*NRV = Nutrient Reference Value according to EU Regulation 1169/2011

† NRV not established

Other ingredients

Other ingredients not specified in source data.

Allergens

Contains: No declarable allergens.

For healthy active adults only. Do not exceed the recommended dose. Does not replace a varied diet. Keep out of reach of children. Pregnant, breastfeeding and persons under 18 should not use this product. Consult a doctor before use if you take medication or have medical conditions.

Do not exceed the recommended daily dose. Dietary supplements should not be used as a substitute for a varied diet. Keep out of reach of young children.

The ingredient list may vary by product variant. Always check the packaging.

FAQ

Frequently asked questions about Rule One Pump Stim-Free 270 g Powder

What does Rule One Pump Blue Raspberry Lemonade contain?
Rule One Pump contains 3g L-Citrulline, 500mg Nitrosigine, 2g Taurine, 1g Betaine, 500mg L-Arginine as well as plant extracts from the S7 complex (green coffee, green tea, turmeric, sour cherries, blueberries, broccoli and kale). The product is stimulant-free and contains no caffeine.
How many servings are in one tub of Rule One Pump?
One tub of Rule One Pump contains 30 servings. Each serving corresponds to a daily dose of the powder mixed with water.
Is this pre-workout supplement suitable for people sensitive to stimulants?
Yes, Rule One Pump is stimulant-free and contains no caffeine, making it perfect for people who want to avoid stimulants but still seek support for training performance and blood circulation.
What role does L-Citrulline play in Rule One Protein's Pump?
The 3g per dose in Rule One Pump is an effective amount to support vascular function during training.
Can Rule One Pump be taken before training?
Yes, Rule One Pump is designed as a pre-workout supplement and is intended to be taken before training to support muscle performance, blood circulation and training capacity through its combination of L-Citrulline, Nitrosigine and other active ingredients.
What is Nitrosigine and why is it in the product?
Nitrosigine is a patented complex of Inositol-Stabilised Arginine Silicate that combines L-Arginine with silicon dioxide for improved stability and absorption. It is developed to support normal blood circulation and vascular function better than regular L-Arginine.
Is Rule One Pump tested for banned substances?
Yes, Rule One Pump is tested for banned substances through the Informed Choice programme. The product is also manufactured in an FDA-inspected, GMP-certified facility, ensuring high quality and safety standards.
What plant extracts does the S7 complex in Rule One Pump contain?
The S7 complex contains seven plant-based ingredients: green coffee, green tea, turmeric, sour cherries, blueberries, broccoli and kale. These plant extracts are included to support training performance and are part of Rule One Protein's commitment to natural ingredients.
How much Vitamin C does each dose of Rule One Pump contain?
Each dose of Rule One Pump contains 250mg Vitamin C (ascorbic acid), which corresponds to 313% of the nutrient reference value. Vitamin C contributes to the normal function of the immune system and is an important antioxidant.
Is Rule One Pump Blue Raspberry Lemonade suitable for vegans?
Allergen information and vegan status are not available in the product description. We recommend contacting Rule One Protein directly or checking the packaging to confirm if the product is suitable for vegans.
Price history

Price development over the past 30 days. We log prices daily for full transparency.

Product facts
Product nameRule One - Pump Stim-Free 270 g Powder
EAN / Barcode0196671009104
Net weight440 g
Country of originUS
Price inc. VAT€31.00

For healthy active adults only. Do not exceed the recommended dose. Does not replace a varied diet. Keep out of reach of children. Pregnant, breastfeeding and persons under 18 should not use this product. Consult a doctor before use if you take medication or have medical conditions. Do not exceed the recommended daily dose. Dietary supplements should not be used as a substitute for a varied diet. Keep out of reach of young children.

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Rule One - Pump Stim-Free 270 g Powder

€31.00