MyProtein Thermopure Unflavoured is a thermogenic supplement built to lift your metabolic rate and aid weight management, powered by caffeine, green tea extract, and cayenne. Caffeine supports endurance and focus, while green tea extract and cayenne powder help ignite your metabolism. With MyProtein's commitment to quality and GMP standards, you can trust this unflavoured formula to sit neatly alongside a balanced lifestyle.

Available Sizes & Variants:

180 capsules - convenient daily dose with unflavoured formula.

Benefits & Features:

• Boosts metabolism naturally through thermogenic ingredients.
• Energises workouts and daily activity by supplying caffeine that supports endurance and alertness.
• Green tea extract supports fat burning potential and provides antioxidants that help protect cells.
• Cayenne pepper stimulates metabolism to help weight management when paired with a balanced plan.
• Designed to integrate with protein shakes and weight loss pills alongside a sensible diet, this blend helps sustain energy, support daily activity, and keep you focused on your goals.

Built on MyProtein's reputation for manufacturing excellence, Thermopure Unflavoured uses natural ingredients and strict quality checks. The blend pairs caffeine with green tea extract (standardised to 95% polyphenols) and cayenne to support metabolism, plus supportive vitamins B6 and B12 and chromium. Manufactured under GMP guidelines, it sits alongside a sensible diet and regular exercise. The product’s unflavoured profile keeps options open for pairing with protein shakes, and fits neatly into weight loss pills routines when used as part of a broader plan.

Rice Flour, Green Tea Extract 95% Polyphenols (Camellia sinensis), Capsule shell (Gelatine), L-Tyrosine, Caffeine, L-Theanine, Cayenne Powder (Capsicum frutescens L.), Vitamin B12, Vitamin B6, Bioperine Black Pepper Extract (Piper nigrum L.), Chromium Picolinate.

• GTIN: 5055534301845
• Manufacturer: MyProtein
• Categories: Bodybuilding SupplementsLow-Carb Protein SupplementsMyProteinNew ArrivalsNew In Supplements & VitaminsSports Supplements
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the 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 30 days in the same original and unopened packaging. Subject to T&C's.

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

Caffeine acts as an organic wakeful alkaloid found in tea, coffee and other sources.

It helps to boost alertness and is widely used to promote mental focus and energy balance.

This product delivers caffeine as a clearly recognizable active ingredient sourced from plant-based preparations often used in thermogenic blends.

What Does Caffeine Do?

Caffeine plays a role in supporting endurance and focus during daily activities and workouts, it also helps with energy and concentration during busy days.

It features in normal energy-yielding metabolism and helps keep alertness, in line with general guidelines for caffeine use, which makes it a practical part of daily routines.

In this formulation, caffeine works alongside other ingredients to support metabolic activity and energy expenditure that may help with a balanced fitness programme.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

We picked MyProtein as our partner for Thermopure Unflavoured because of the brand’s long-standing commitment to manufacturing excellence and quality control. MyProtein is broadly recognised in the industry for its robust production standards and dedication to purity, backed by strict quality practices that show a steady approach to safe, effective supplements. Our clinical team evaluated this brand against rivals and confirmed its reputation for reliable manufacturing processes, aligning with our expectations for premium products. You can read more about our assessment here: our expert team of doctors, nurses and nutritionists and how we keep strict checks with our ingredient quality and purity standards.

This brand feels especially suited for a thermogenic formula like Thermopure, where steady ingredient sourcing and reliable quality control help predictable formulation outcomes. Our review confirmed MyProtein meets Welzo’s quality, safety and performance standards, which makes it a natural fit for this supplement.