Strom Sports StimuMax Black – 360 Grams

Citrulline Malate (6000mg), Beta Alanine (3200mg), NAC-L-Tyrosine (1000mg), Caffeine (250mg), Juglans Whole Fruit (Walnut) (200mg), Kigelia africana extract (200mg), Citric Acid, Sweetener (Sucralose), Flavouring, Colouring, Silicon Dioxide.

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

Mix 1 scoop (12g) with 200-300ml of water and consume 20 minutes prior to workout. DO NOT EXCEED 2 SERVINGS IN 24 HOURS. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. If you are pregnant, breastfeeding, taking any prescribed medication or have any medical condition, please consult a healthcare professional before taking any supplements.

Please consult the product packaging for accurate instructions on how to use the product.

Citrulline malate is a nonessential amino acid derivative that helps support nitric oxide production and blood flow to muscles during workouts. This form helps boost energy and endurance during tough training sessions. This formula also includes beta-alanine and caffeine, which help endurance and alertness during workouts.

What Does Citrulline Malate Do?

Citrulline malate helps with better aerobic and anaerobic performance and may help delay fatigue by boosting blood flow and nutrient delivery. This aligns with research showing gains in high-intensity workouts and endurance sessions.

This product isn't meant to diagnose, treat, cure or prevent any disease.

Strom Sports is our go‑to partner for this high octane pre‑workout since its manufacturing rests in a UK site certified to ISO 9001 standards, underpinning dependable quality control and traceability through production. This focus on precision and process aligns with Welzo's commitment to thorough quality and safety in every supplement we offer.

This brand's transparent formulation approach, including full disclosure of active ingredients and their dosages, supports clear evaluation by our team (and by customers alike). Our assessment emphasises Strom Sports’ manufacturing excellence, continued adherence to quality practices, and its positioning within a professional, sport‑focused category that resonates with athletes seeking energetic performance support. This is complemented by independent validation through our internal review process, with Welzo's healthcare professionals and our quality standards team overseeing every step in the supply chain.

Welzo’s partnership with Strom Sports reflects our belief in reliability, traceability and product integrity. You can trust that this brand has been chosen for its responsible manufacturing and suitability for this type of supplement, backed by our expert evaluation and ongoing oversight. Welzo's healthcare professionals and how we verify ingredient quality.