Naughty Boy T-K-1 is a testosterone support supplement that helps you feel sharper and more energized, thanks to its high-strength Tongkat Ali extract. Naughty Boy is a brand relied on in UK sports circles, known for transparent ingredient labeling and vegan, allergen-friendly formulas. Tongkat Ali stays the standout extract, designed at a high strength 200:1 ratio to deliver solid daily support.

Available Sizes & Variants:

60 caps Naughty Boy T-K-1 - daily testosterone support in a vegan formula.

Benefits & Features:

• Boosts energy and focus with Tongkat Ali.
• Supports mood and stress response through hormone balance for better daily performance as natural energy boosters.
• Contains Tongkat Ali at a high strength 200:1 extract, a formulation designed to support endurance, recovery and everyday energy, a key ingredient among performance enhancing supplements.
• Vegan friendly and free from gluten and soy for inclusive use.
• Daily capsules provide simple, consistent support with no fuss, making routine easy.

Naughty Boy has carved a niche in UK sports circles with clear ingredient labelling and vegan friendly supplements. The T-K-1 formula delivers 1200 mg Tongkat Ali extract per two capsules at a 200:1 concentration, designed to support daily performance and mood balance. The brand's reputation rests on transparency and practical formulations that appeal to athletes seeking straightforward, reliable support.

Eurycoma Longifolia (TongKat Ali) 1200mg (200:1 Extract), Hypromellose (vegetarian capsule), Magnesium Stearate, Silica.

• GTIN: 749565074179
• Manufacturer: Naughty Boy
• Categories: Naughty BoySports 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.

Take 1-2 capsules daily with food. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. This product is not a substitute for a balanced diet. Do not exceed the recommended daily dose.

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

The Active Ingredient Is: Tongkat Ali (Eurycoma Longifolia) Extract

Tongkat Ali is a herbal extract that lots of people use for supporting male health and athletic performance, sourced as a high-strength extract from the Eurycoma Longifolia root. This formula uses a standardised extract to boost the amount of active compounds.

This formula is vegan friendly and gluten free, and uses a 200:1 concentrate to give potent support from a natural botanical source.

What Does Tongkat Ali Do?

Tongkat Ali may help support the body's natural testosterone production and assist in regulating the body's stress response, contributing to normal hormonal function and mood balance. This can be noticeable in daily energy and mood fluctuations, and it may help (which a lot of users notice) during tougher training blocks.

It might help with the body's hormonal and stress related processes, which fits with traditional and modern usage for energy and well being in line with general nutritional understanding.

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

Naughty Boy is Welzo selected for its open commitment to visible ingredient labeling and vegan, allergen friendly formulas, traits that align with our top standards for trust and safety. The brand already has solid visibility within UK sports circles, reflecting a reputation for consistency and reliability in performance supplements. This credibility is backed by their focus on simple, easy to read ingredients that customers can trust, reinforcing our belief in long term brand stewardship.

Welzo's evaluation emphasised Naughty Boy's standing in the market as a dedicated path for quality and accessibility. The brand's approach to product formulation complements our own quality framework, including really rigorous attention to purity and safety. This alignment is further reinforced by insights from Welzo's medical team and our ingredient quality and purity standards our ingredient quality and purity standards. By choosing Naughty Boy for Tongkat Ali, we help to ensure a product that fits nicely with our science led, consumer friendly philosophy Welzo's healthcare professionals.