Rio Amazon Slimcaps is a botanical supplement that helps you feel energised and alert, making it easier to power through the day with steady focus. Active ingredients Yerba Mate and Guarana deliver caffeine and polyphenols for energy support. Rio Amazon's decades of experience and commitment to quality underpin this formula. Designed for daily use with a focus on natural, slow energy.

Available Sizes & Variants:

60 capsules - convenient daily supply for ongoing use.

Benefits & Features:

• Boosts energy and alertness.
• Star ingredients work gradually, providing caffeine and polyphenols to support steady energy without sharp peaks, helping you stay focused throughout the day at work, at home, or during workouts.
• May support weight management through thermogenesis and fat oxidation in the body.
• Supports caffeine content and polyphenols that carry antioxidant potential for daily wellness.
• Rio Amazon's three decades of sourcing expertise ensure transparent, sustainable herbal sourcing.

Rio Amazon has over 30 years of experience sourcing Amazonian herbs, with a clear commitment to ecological sustainability and quality. The Slimcaps formula uses a hydroxypropyl methylcellulose capsule shell and contains Yerba Mate and Guarana, plants known for caffeine and polyphenols that support energy and alertness. The brand emphasises careful herb identification and ethical harvesting, and its products remain free from unnecessary additives, helping you feel confident in daily use. These diet supplements align with a holistic approach to wellness and can be used alongside weight loss pills for a balanced lifestyle, while emphasising natural weight loss supplements that are gentle on the body.

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.

The Active Ingredient Is: Yerba Maté (Ilex paraguariensis) powder

Yerba Maté is a leaf from a South American plant used for its stimulant and antioxidant properties. This form is powdered plant material that provides natural caffeine and polyphenols.

This section identifies Yerba Maté as the primary active component in this product, with Guaraná seeds also contributing to the overall caffeine content and antioxidant support.

What Does Yerba Maté Do?

Yerba Maté participates in supporting energy metabolism and alertness, alongside sustained mental focus. Studies suggest a link to enhanced energy expenditure and fat oxidation in healthy adults, while caffeine provides a gentle, extended boost without sharp energy peaks.

In combination with Guaraná, this botanical blend helps maintain wakeful focus through the day, aligning with evidence on caffeine-containing botanicals and metabolic activity.

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

Rio Amazon has more than 30 years of expertise in sourcing high‑quality Amazonian herbs, with a reputation for ecological sustainability and transparent sourcing. This enduring heritage and specialised focus on botanical supplements set Rio Amazon apart as a trusted partner in our portfolio. Welzo chose Rio Amazon for their established standing in the industry and their commitment to quality through careful herb identification, harvest practices and internal quality control. The brand is recognised for its unique product range and positive signals among botanical supplement users, making it a natural fit for our curation. Our team evaluated Rio Amazon for consistent sourcing and practical quality processes, which align with our standards for reliability and transparency, and this is supported by how we verify ingredient quality. This brand is particularly well suited to Slimcaps because Yerba Maté and Guaraná provide caffeine and polyphenols that support energy and alertness, as described in their formulation. Welzo’s medical team reviews brands for safety and compliance, and you can learn more about our standards with Welzo's healthcare professionals and how we verify ingredient quality.