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Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships.
Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval.
If you have a question about an item, its label or your order, email sales@naturalvitaminsonline.com with the product name or order number. We answer every message by email and reply within 1 business day (Monday to Friday, Eastern Time).
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
†These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
C4 Original is a watermelon-flavored pre-workout formulated to support workout energy, muscular endurance, strength and pumps, with 150 mg of caffeine per serving and 30 servings per container.
C4 Original is made for people preparing for a workout who want a pre-training formula supporting energy, endurance and strength. Mix a serving with water before training; its ingredient combination addresses several workout goals in one pre-workout.
C4 Original is formulated to support energy, muscular endurance, strength and pumps during training. Its caffeine provides the energy component, while CarnoSyn® Beta-Alanine helps combat muscular fatigue and support muscular endurance. Studies have found CarnoSyn® Beta-Alanine benefits correlate with cumulative use, so the studied benefits relate to ongoing use rather than a guaranteed result from one serving.
Mix one serving of C4 Original with 6 fl oz (177 mL) of water and take it 20–30 minutes before training. The formula also contains a patented, clinically studied compound that may help the body prolong its buildup of caffeine tolerance.
This C4 Original formula comes in watermelon flavor and provides 30 servings. C4’s product range is designed for people from fitness beginners to elite competitors, so this pre-workout fits a range of training experience levels.
C4 Original suits adults looking for a pre-workout with caffeine alongside ingredients formulated to support endurance, strength and pumps, whether they are starting a fitness journey or training toward a new goal. It is a watermelon-flavored, sugar-free formula with 150 mg of caffeine per serving and 30 servings per container.
Vitamin C (as Ascorbic Acid), Niacin (as Niacinamide), Vitamin B6 (as Pyridoxine HCI), Vitamin B12 (as Cyanocobalamin), CarnoSyn Beta-Alanine, N03-T Creatine Nitrate, Citrulline Malate, Explosive Energy Blend (Caffeine Anhydrous (150 mg), Velvet Bean (Mucuna pruriens) seed extract (standardized for L-Dopa), Theacrine (as TeaCrine)), Silicon Dioxide, Natural & Artificial Flavors, Calcium Silicate, Sucralose, Citric Acid, Acesulfame Potassium
Q: How do I take C4 Original Pre-Workout?
A: Mix one serving of C4 Original Pre-Workout with 6 fl oz (177 mL) of water and take it 20–30 minutes before training.
Q: How many servings are in C4 Original Pre-Workout?
A: C4 Original Pre-Workout in watermelon flavor contains 30 servings per container.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days of delivery. Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval. See returns & refunds.
Damaged, defective, incorrect or expired item? Email your order number, a photo and the lot/expiration details to sales@naturalvitaminsonline.com and we will arrange a replacement or refund; this is always covered. Please report visible shipping damage within 7 days of delivery.
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