Hyde Nightmare is a high stimulant pre workout powder that boosts energy, focus and performance before training, helping you push harder. The formula centres on L Citrulline for better blood flow and pumps, Beta Alanine for endurance, and a potent caffeine blend that kickstarts your pre workout session. We back that up with a no compromise full disclosure label, vegan friendly ingredients, and Independent Lab Verified quality.

Benefits & Features:

• Delivers fierce energy and focus for demanding workouts.
• Supports steady performance with a blend of L Citrulline and Beta Alanine, helping you push through tough reps and hold power when fatigue creeps in.
• Contains several caffeine sources delivering around 300 mg per serving for sustained alertness during pre workout sessions.
• L Theanine helps smooth energy and focus, reducing jitters and crashes afterward.
• Brand heritage and quality controls mean Hyde Nightmare stays vegan friendly and proudly carries a full disclosure label.

Each scoop provides 4000 mg L Citrulline for improved blood flow, 2500 mg Beta Alanine for endurance, and 100 mg L Theanine for smoother focus, plus 100 mg caffeine to spark energy and 250 mg Himalayan salt for electrolytes. Hyde Nightmare is vegan-friendly, gluten-free, and free from artificial colours, with an Independent Lab Verified badge and a Full Disclosure Label so you know exactly what you're taking.

Unique Content:

Pro Supps has earned a reputation for clarity and performance, championing full disclosure and independent testing. Hyde Nightmare showcases that heritage with a full disclosure label and an Independent Lab Verified badge, letting serious athletes know exactly what they’re taking. The vegan friendly formula also avoids artificial colours and gluten, aligning with the brand’s commitment to clean sport. Many athletes consider Hyde Nightmare among the best pre workout choices for serious training.

L-Citrulline, Beta-alanine, Acetyl L-Carnitine HCl, L-Theanine, Green Tea Leaf Extract, of which caffeine, Green Coffee Bean Extract, of which caffeine, Caffeine Anhydrous, Himalayan Rock Salt

• GTIN: 810034815637
• Manufacturer: Pro Supps
• Size: Lightning Lemon
• Categories: Best SellersPro SuppsSubscribe & Save Products
• 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.

Mix one rounded scoop of HYDE Nightmare with 6-8 ounces of water and consume 15-30 minutes prior to intense training or competition. First-time users should assess tolerance by taking 1/2 a scoop. Do not consume within 4 hours of bedtime. Store in a cool, dry place. This product is intended for healthy adults, 18 years of age or older. Consult a physician prior to using this or any other dietary supplement. Do not take this product if you are pregnant or nursing, if you have or suspect you may have a medical condition, or if you are taking any prescription or over-the-counter medications. Do not exceed the recommended serving. This product contains 300mg of caffeine, which may not be suitable for individuals sensitive to caffeine. Too much caffeine may cause nervousness, irritability, sleeplessness, and occasional rapid heartbeat. Immediately discontinue use and consult a qualified medical professional if you experience any adverse effects. Keep out of reach of children.

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

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: L-Citrulline

L-Citrulline is an amino acid involved in the body's production of nitric oxide, helping normal blood flow and metabolic support during exercise.

This form is provided as L-Citrulline, an amino acid used to back nitric oxide pathways and related athletic responses.

What Does L-Citrulline Do?

L-Citrulline helps with nitric oxide production, plays a part in blood flow regulation, and contributes to muscle pumps during high‑intensity activity.

This nutrient helps with energy metabolism and aligns with guidance that promotes normal vascular and muscular function during demanding workouts.

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

Pro Supps is recognised for its sturdy quality ethos and open transparency, which makes it our chosen brand for this pre workout. The manufacturer’s reputation in the sports nutrition world is built on a track record of products made for athletes, with emphasis on safety signals like banned substance testing and independent verification. This solid base aligns with our aim for reliability and traceability for active users.

Our panel of medical experts assess brands with a strict eye on credibility and quality, and Pro Supps stands out for its full disclosure label and independent lab verified assurances. This approach mirrors our own standards for ingredient transparency and safety, which you can explore through our ingredient quality and purity standards. The evaluation process also involves rigorous review by our team of medical experts to ensure each partner meets Welzo's rigorous criteria.

For this product, Pro Supps Hyde Nightmare is particularly well suited as a high stimulant pre workout designed for athletes, with a clear focus on energy, endurance and focus before training, while remaining vegan friendly and free from artificial colours. This brand forward pick supports a product that aligns with Welzo’s quality and safety benchmarks.