Net Contents
120 Capsule(s)
Serving Size
4 Capsule(s)
Servings Per Container
30
Supplement Form
Capsule
Bar Code (UPC/SKU)
Not specified
Product Version
CODE 984511 KNG
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
4 distinct active ingredients are disclosed in Supplement Facts.
Label includes a proprietary blend, so some individual amounts are not itemized.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Milk
- Wheat
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 4 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Magnesium(Magnesium Aspartate) | 60 mg | 15% |
| Zinc(Zinc Arginate) | 30 mg | 200% |
| Anabolic Maximizer with OT2 | — | — |
| L-Leucine(L-Leucine, L-Leucine, OT2) | 1000 mg | — |
| D-Aspartic Acid | 100 mg | — |
| Sustamine(TM)(L-Alanyl-L-Glutamine) | 50 mg | — |
| Mucuna pruriens seed extract | 500 mg | — |
| PM Matrix | — | — |
| L-Theanine | 50 mg | — |
| Melatonin | 1 mg | — |
Not Present
Amino Acid Profile
3 amino acids detected on the label, including 1 essential and 1 branched-chain (BCAA). Bars show the disclosed amount per serving; total mapped amino acids ≈ 1.15 g.
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
DIRECTIONS: As a dietary supplement, take 4 capsules prior to bedtime.
Warnings & Precautions
Precautions re: Children
If you are taking medication, under the age of 18, or have a medical condition, consult a physician before using this product.
Precautions re: Pregnant or Nursing or Prescription Medications
This product is not to be taken by pregnant or lactating women. If you are taking medication, under the age of 18, or have a medical condition, consult a physician before using this product.
Precautions re: Pregnant or Nursing or Prescription Medications
WARNING: For adult use only at bedtime. This product is not to be taken by pregnant or lactating women. If you are taking medication, under the age of 18, or have a medical condition, consult a physician before using this product.
Precautions re: All Other
WARNING: For adult use only at bedtime.
Precautions re: All Other
Do not use in conjunction with alcoholic beverages, when driving a vehicle, or while operating machinery.
Precautions re: Children
KEEP OUT OF REACH OF CHILDREN.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
GNC's Anabolic Maximizer contains leucine that is technology enhanced to provide immediate and sustained release of key anabolic building blocks.*
Formula re: Contains
Extended Anabolic PM Formula Featuring D-Aspartic Acid, Melatonin, L-Theanine & Mucuna for Nighttime Support*
Formula re: Contains
Extended Anabolic PM Formula Featuring D-Aspartic Acid, Melatonin, L-Theanine & Mucuna for Nighttime Support* Immediate & Sustained 6 Hour Extended Release Anabolic Leucine*
Formulation re: Does NOT Contain
No Sugar, No Artificial Flavors, Sodium Free, No Wheat, No Gluten, No Dairy, Yeast Free.
FDA Statements
FDA Statement of Identity
DIETARY SUPPLEMENT
FDA Disclaimer Statement
*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.
Other Label Statements
General Statements: All Other Content
Leucine is the key BCAA shown to impact muscle protein synthesis.*
General Statements: All Other Content
These breakthrough products are designed to deliver immediate and sustained release of ingredients to help maintain benefits throughout your workout, day or night.
General Statements: All Other Content
Nitrogen needs increase during training, and if nitrogen levels are low, your body pulls from muscle stores which can result in catabolism, poor performance and longer recovery.
Brand IP Statement(s) re: (c), (TM), (SM)
Pro Performance(R) Restore Advance XR(TM) with a Nitro-Factor(TM) of 2 grams helps fuel performance and anabolism.*
General Statements: All Other Content
Key Minerals for Protein Synthesis & Muscle Function*
Brand IP Statement(s) re: (c), (TM), (SM)
This anabolic building block is now Optimal Timing Technology-OT2(TM) -enhanced to provide a sustained release of leucine for six hours.
General Statements: All Other Content
The PM Matrix was designed to promote a sense of relaxation and support restful sleep with meaningful amounts of L-theanine and melatonin.*
Brand IP Statement(s) re: (c), (TM), (SM)
OT2(TM) ingredients are coated with a special technology that controls when they are released.
General Statements: All Other Content
Leucine, a key branched chain amino acid, is one of the primary nutrients in protein responsible for anabolic benefits. With the introduction of the unique, sustained-release technology, now muscle fueling leucine is released for up to six hours!
Brand IP Statement(s) re: (c), (TM), (SM)
NITRO-FACTOR 2G(TM)
Seals/Symbols
OT2 OPTIMAL TIMING TECHNOLOGY(TM)
Seals/Symbols
Daily
Seals/Symbols
Recovery
General: Product/Version Code
CODE 984511 KNG
General Statements: All Other Content
Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
Seals/Symbols
Sustamine(TM) Rehydrate, Replenish, Recover Sustamine(TM) is a trademark of Kyowa Hakko Bio Co., Ltd.
General Statements: All Other Content
{QR CODE} SCAN & LEARN MORE
General Statements: All Other Content
ACTUAL SIZE {capsule}
Brand IP Statement(s) re: (c), (TM), (SM)
STACK WITH: Pro Performance(R) 100% Casein Protein, BCAA Advance XR(TM), HMB.
General Statements: All Other Content
GNC COMMITMENT TO QUALITY For more than 77 years, GNC has been the leader in the development and manufacture of dietary supplements and is committed to producing the most superior products. We use only the highest quality ingredients manufactured under the strictest quality controls.
General Statements: All Other Content
GNC GUARANTEE If you are not 100% completely satisfied, return the unused portion of the product with your receipt to a GNC store within 30 days. Our trained sales staff will either refund your purchase price or, if you prefer, assist you in finding a replacement product to help you LIVE WELL.
Brand IP Statement(s) re: (c), (TM), (SM)
THE BENEFITS OF RESTORE ADVANCE XR(TM) Pro Performance(R) XR Series Restore Advance XR(TM) is uniquely formulated to help athletes remain in an anabolic environment even in their sleep to achieve peak performance!*
Brand IP Statement(s) re: (c), (TM), (SM)
OT2(TM) - THE EXCLUSIVE GNC ADVANTAGE OT2(TM) is GNC's intelligent nutrient delivery system engineered to help release key ingredients during crucial times when you need them most!
Brand IP Statement(s) re: (c), (TM), (SM)
NITRO-FACTOR(TM) - MAXIMIZE MUSCLE BUILDING+ The full muscle building potential of a GNC product is based on its total nitrogen content-so the more nitrogen a product has, the stronger it will perform.
General Statements: All Other Content
+When used in conjunction with an exercise program.
General Statements: All Other Content
NEW
Manufacturer & Distributor
Other
1-888-462-2548
Other
Distributor
General Nutrition Corporation
Pittsburgh, PA, 15222
Market Reference
GNC Pro Performance 100% Whey Protein Powder Banana Cream 25 Servings
Walmart - Pattern5.0(2)$47.99GNC Pro Performance Power Protein 6-in-1 Stack for Increased Strength
Silkrute3.0(1500)$122.55GNC Pro Performance Pre Workout
Swadesii3.8(864)$45.99Lowest
Where to Buy Locally
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4.8 (59)Vitamin & supplements store
Unit 4, Cardigan house, Cardigan Pl, Hednesford, Cannock WS12 1AQ, United Kingdom
Research & Studies
Updates on GSH's Correlation with Health, Athletic Performance, Diseases, and GSH Augmentation Strategies
AT TSAI - 2025 - nhsjs.com
… health, several potential methods to increase intracellular GSH levels-such as through chemical compounds, natural foods, and scientifically supported food supplements-… to restore their …
2025Biomarker-guided dietary supplementation: a narrative review of precision in personalized nutrition
E Pokushalov, A Ponomarenko, E Shrainer, D Kudlay… - Nutrients, 2024 - mdpi.com
… for precision and efficacy, advancing these strategies requires … dietary supplements has become a significant healthcare issue… are recommended to restore optimal bacterial ratios [90]. …
202440 citationsthe no-bs guide to workout supplements
M Matthews - 2013 - books.google.com
… in poor health or with pre-existing physical or mental health … surplus of energy to repair and rebuild itself (along with plenty of … The shelves of your local GNC are packed with all kinds of …
2013Adherence to β-hydroxy-β-methylbutyrate-Enriched oral nutritional supplements enhances survival and nutritional recovery in malnourished outpatients …
I Vegas-Aguilar, R Fernández-Jiménez… - Nutrients, 2025 - mdpi.com
… recover patients with higher GLIM value and with sarcopenia, after 6 months of nutritional supplement … adherence to a nutritional supplement on various health outcomes in a population …
20253 citationsPolicy Translation to Improve Regulation of Dietary Supplements for Weight Loss and Muscle Building Sold to Youth in Massachusetts Municipalities
K Yergaliyev - 2019 - search.proquest.com
… the FDA took action, professional athletic and medical associations had already recommended … based on their professional role and experiences with adolescent health promotion …
2019Your business in court and at Federal agencies: 2011-2012
JB Reiss, D Crowder, B McCabe, M DeFeo - Food & Drug LJ, 2013 - HeinOnline
… of pharmaceuticals, medical devices and biotechnology products… supplements, issuing guidance for new dietary supplements … GNC said "GNC consumers, both in our stores or online at …
20132 citations
Related News
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2015-04-24. DSLD Label ID: 43997. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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