Core Nutritionals Glutamine, Enhances Muscle Growth and Immune Support, 5000mg - 300g

L-Glutamine and amino acid that supports muscle recovery, immune function, and gut health. This product contains no fillers, additives, or proprietary blends, ensuring a pure and effective supplement.

Add 1 scoop to 6-8 ounces of cold water and shake or stir until mixed.

Q1. What makes Core Nutritionals different from other supplement brands?

Core Nutritionals is built on transparency and integrity. We disclose exact ingredient amounts, avoid “proprietary blends,” rigorously test for quality, and manufacture all products in cGMP-certified U.S. facilities. Your safety and results come first.

Q2. Are your products safe and drug-free?

Yes, Core Nutritionals is led by drug-free professional athletes and we maintain strict standards to ensure our products are free of banned substances. We also back up claims with testing and blood work where applicable.

Q3. Where are your products manufactured?

All Core Nutritionals products are manufactured in the United States in cGMP-certified facilities, following strict quality controls and standards.

Q4. How do I choose the right supplement for my goal?

Start by identifying your goal: muscle gain, recovery, energy, wellness, etc. Then review our product categories (protein, intra-workout, performance blends) with full ingredient lists and match features to your needs. If uncertain, reach out for personalized support.

Q5. Are Core Nutritionals products suitable for beginners or only advanced athletes?

Core Nutritionals supplements are designed for all fitness levels — from beginners to professional athletes. Each formula is fully transparent and clinically dosed, so you can start with the recommended serving size and adjust based on your training intensity and goals.

Q6. Are Core Nutritionals products third-party tested for quality?

Yes, all Core Nutritionals products are third-party tested to ensure purity, potency, and safety. The brand follows cGMP standards and provides full label disclosure, so you know exactly what you’re consuming with every serving.

Q7. Can I use Core Nutritionals products if I'm following a vegan diet?

Yes, Core Nutritionals also offers vegan-friendly products like the Vegan Protein, which is plant-based and free from animal-derived ingredients. Always check the product label to ensure it aligns with your dietary preferences.