How much should I take if I'm new to high-stimulant pre-workouts?

Start with 1/2 to 1 scoop mixed in 8 oz of water. Assess tolerance before increasing. Do not exceed 2 scoops per serving.

When should I take SKULL before my workout?

Consume SKULL 20 minutes before your workout or exercise session for best results.

How do I mix SKULL properly?

Add 1 to 2 scoops to 8 oz of water and mix vigorously until fully dissolved. Adjust water amount to your taste preference.

How much caffeine is in a full serving of SKULL?

A full 2 scoop serving contains 403 mg of caffeine sourced from 3 different sources. Start with a half scoop if you are sensitive to stimulants.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Underground Bio Labs/Panda Supps Skull:Nootropic Pre-Workout,403mg Caffeine, ...

Product ID: 581838869

Details

Age Range (Description)
Adult
Brand
Underground
Flavor
Skull Crusher
Item Form
Powder
Item dimensions L x W x H
3.5 x 3.5 x 6
Model Name
"SkullPre

⚡403mg multi-source caffeine boost

💪8g L-Citrulline Malate for insane pumps

🧠500mg Lion’s Mane for mental edge

Description

💥 Unlock your inner beast with SKULL — where focus meets fury!

TUNNEL VISION FOCUS - 600mg Alpha GPC blocks distractions so you stay locked in on your goals.
MASSIVE MUSCLE PUMPS - 8g L-Citrulline Malate and 1000mg Agmatine Sulfate deliver vascularity that turns heads.
SUSTAINED ENERGY SURGE - 403mg caffeine from 3 sources powers relentless endurance without the crash.
ELITE MENTAL PERFORMANCE - 500mg Lion’s Mane sharpens focus and cognition for laser-like workout intensity.
ENHANCED ABSORPTION ENDURANCE - 50mg AstraGin and 50mg Senactiv optimize nutrient uptake and prolong stamina.

Underground Bio Labs Skull Pre-Workout is a high-stimulant, nootropic-powered formula designed for professionals who demand peak mental clarity, explosive energy, and massive muscle pumps. Featuring 500mg Lion’s Mane for cognition, 403mg caffeine from three sources for sustained energy, and 8g L-Citrulline Malate for vascular pumps, this 40-serving powder delivers tunnel vision focus and endurance support with AstraGin and Senactiv. Perfect for crushing intense workouts while maintaining razor-sharp concentration.

Specifications

ASIN	B0CMJ8CS7R
ASIN	B0CMJ8CS7R
Age Range Description	Adult
Best Sellers Rank	#126,981 in Health & Household ( See Top 100 in Health & Household ) #268 in Sports Nutrition Pre-Workout Powders
Brand Name	Underground Bio Labs
Customer Reviews	4.2 4.2 out of 5 stars (31)
Date First Available	November 4, 2023
Flavor	Skull Crusher
Item Dimensions	3.5 x 3.5 x 6 inches
Item Form	Powder
Item Highlight	Panda Supps SKULL pre-workout combines elite focus, tunnel vision, huge pumps, and 403mg caffeine for relentless endurance!
Manufacturer	Underground Bio Labs
Manufacturer	Underground Bio Labs
Manufacturer Part Number	SkullPre
Model Name	"SkullPre
Number of Items	1
Product Benefits	Energy Management
Product Dimensions	3.5 x 3.5 x 6 inches; 1.12 pounds
Total Servings Per Container	40
UPC	051497423186
Unit Count	14.81 Ounce

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

View all Trustpilot reviews