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30 Servings per container

Muscle Builder Complex

Muscle Builder Complex is a non-stimulant muscle mass booster that comes in capsule form to increase your muscle mass, strength, blood circulation, and recovery. The Muscle Builder Complex formula is based on the proprietary blend OptiNOs® and is combined with L-Arginine and L-Citrulline to help build muscle, support blood flow, and promote the efficient use of nutrients by your muscles.

Supports Strength and Lean Muscle*
Supports Muscular Endurance*
Built Around a Clinically Studied Botanical Blend
Non-Stimulant Formula That Can Be Taken Before Training

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Benefits

Supports strength alongside resistance training*
Supports lean muscle gains*
Supports muscular endurance, so you can push out more reps at the same weight*
Stimulant-free, so you can take it before training

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Ingredients

OptiNOs® (750mg): A blend of Curcuma longa, Cissus quadrangularis, and Trachyspermum ammi from Laila Nutraceuticals. In a 42-day double-blind, placebo-controlled study of exercise-trained adults taking 750mg a day, the same amount in each serving, OptiNOs® increased bench press, leg press, and leg extension reps compared with placebo.
mTOR support: Lab research shows OptiNOs® raises mTOR signaling in muscle cells, the pathway that tells muscle to build protein.
L-Citrulline and L-Arginine blend (1,200mg): Both made through natural fermentation in the U.S. L-Arginine is the direct building block for nitric oxide, and the body converts L-Citrulline to L-Arginine for steadier nitric oxide production.

How to Use

Three capsules with water. Pair with a structured training routine and a high-protein diet.

Timing & Absorption

Take 30 minutes before training. On non-training days, take at the same time each day to stay consistent. If it upsets your stomach, take it with a small snack.

Muscle Builder Complex

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I could feel a difference the first time I added these to my pre-workout routine. Not only felt like I could lift more but also felt better on the Treadmill.

Andy Bramer

Verified Buyer

I’m always skeptical buying new supplements. I am very glad I purchased the muscle builder. Muscles are fuller, strength is up, and can definitely feel the difference when I train without this product. Give it a shot, you won’t be disappointed!

Brandon Kiff

Verified Buyer

After using this product, I’ve noticed an increase in strength and endurance in the gym. I’ve also noticed a marked reduction in recovery time.

Stephen Culp

Verified Buyer

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Muscle Builder Complex

FAQs

Are there any adverse side effects from using Muscle Builder Complex?

Muscle Builder Complex contains no stimulants. Each serving has 750mg of OptiNOs®, the same daily amount used in Laila Nutraceuticals' 42-day study, plus a 1,200mg blend of L-Citrulline and L-Arginine. If it upsets your stomach, take it with a small snack. Check with your doctor before use if you are pregnant, nursing, taking medications, or have a medical condition.

Can Muscle Builder Complex be combined with other supplements?

Yes. Muscle Builder Complex has no stimulants, so it pairs with Full Tilt Pre-Workout or Non-Stim Pre-Workout before training. Adding Pure Iso Whey Protein helps you reach your daily protein target, which research ties closely to muscle growth. If you stack several products, check each label so you know your total caffeine and stimulant intake.

Why does Muscle Builder Complex contain a proprietary blend called OptiNOs?

OptiNOs® is a branded blend of three botanical extracts from Laila Nutraceuticals: Curcuma longa, Cissus quadrangularis, and Trachyspermum ammi. The label lists the total amount, 750mg, while the exact ratio of the three is held by the manufacturer. That 750mg matches the daily amount used in Laila's 42-day placebo-controlled study.

Why does Muscle Builder Complex seem under-dosed on L-Citrulline and L-Arginine?

The main ingredient is 750mg of OptiNOs®, the amount clinically studied for strength and lean muscle.* The L-Citrulline and L-Arginine blend is there to support nitric oxide, not as a stand-alone dose. The strength results in the study came from OptiNOs® itself.

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Muscle Builder Complex

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