Ronnie Coleman
WHY I BUILT THIS:

Strength, recovery, energy—it all connects. I built this to support your body so you can keep performing at a high level.

Key Benefits
  • Supports Healthy Testosterone Levels†
  • Promotes Strength & Performance
  • Supports Energy, Recovery & Endurance
  • Helps Optimize Hormone Balance
  • Enhanced Nutrient Absorption with AstraGin®
Featured Ingredients

D-Aspartic Acid  Supports natural testosterone production and male performance.

Agmatine Sulfate & Carnitine Fumarate Help support endurance, blood flow, workout performance, and recovery.

DIM, Vitamin D3 & Performance Botanicals Promote hormone balance, vitality, and overall male wellness.

AstraGin® Supports nutrient absorption for enhanced ingredient utilization.

† Supports healthy testosterone levels already within the normal range.

Why You'll Love It
Whether your goal is to increase strength, improve workout performance, support recovery, or promote overall male wellness, King Test XS® delivers a comprehensive formula with clinically supported ingredients to help optimize your body's natural testosterone production and athletic performance.
Shipping
 This Item Ships to 
Delivery

U.S.A. Estimated between  Fri Jul 24 and Mon Jul 27

Will usually ship within 1 business day. Please allow 14-21 days in total for international shipments.

Shipping Time

Please allow 3-7 days for your order to arrive within the U.S. depending on location and 14-21 Days for international orders.You will receive an automated tracking number as soon as your order ships. Please note for international orders there may be an addtional charge by your customs department that we cannot control.

Easy Returns

Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement, refund or store credit in a snap! Please refer to our refund policy for details.

Shipping
This Item Ships to   
Delivery

U.S.A. Estimated between  Fri Jul 24 and Mon Jul 27

Will usually ship within 1 business day. Please allow 14-21 days in total for international shipments.

Shipping Time

Please allow 3-7 days for your order to arrive within the U.S. depending on location and 14-21 Days for international orders.You will receive an automated tracking number as soon as your order ships. Please note for international orders there may be an addtional charge by your customs department that we cannot control.

Easy Returns

Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement, refund or store credit in a snap! Please refer to our refund policy for details.

KEY INGREDIENTS of King Test 8X

D-ASPARTIC ACID

TESTOSTERONE BOOSTER

D-Aspartic acid is an endogenous (meaning that is is produced by the body) amino acid which has been found in the nervous and endocrine tissues of both animals and humans. University human clinical trials on this ingredient resulted in an increase of luteinizing hormone by 33% and an increase of testosterone by a whopping 42% in only 12 days.

ASTRAGIN™

NUTRIENT ABSORPTION

AstraGin is a natural compound composed of highly fractionated Astagalus and Panax Noto- ginseng. In over 12 different in-vivo and in-vitro studies, AstraGin has demonstrated that it can significantly improve the absorption of critical nutrients including Amino acids absorption such as Arginine by 66.7%, Vitamins absorption by 50.4%, Glucosamine absorption by 41.9% and ATP production by 18%. *

AGMATINE

NITRIC OXIDE SUPPORT

Agmatine is an endogenous neuromodulator that has been shown to inhibit neuronal nitric oxide synthase and downregulate inducible nitric oxide syn- thase...HUH? Basically, it prevents your body from breaking down nitric oxide resulting in better blood flow which can benefit you in the gym and out

HORNY GOAT WEED

LIBIDO • ENERGY

Other than a funny name, this natural plant based ingredient is a time tested aphrodisiac from ancient Chinese medicine that increases libido, improves erectile function and combats fatigue.

NETTLES ROOT

SUPPRESS ESTROGEN

This plant extract helps to suppress estrogen levels in Men which can lead to BPH and lowered testoster- one levels. Nettles root inhibits the production on an enzyme called aromatase which in turn decreases the production of estrogen.

Trusted by Millions of Athletes Worldwide

From everyday lifters to elite professionals RCSS fuels those who refuse to quit.

FAQ

Are your products authentic?

Yes. When you order directly from Ronnie Coleman Signature Series, you are receiving authentic products from the official source.

How do I know which product is right forme?

Each product page includes details to help guide your decision. Choose products based on your personal goals, lifestyle, and training routine.

How should I use your products?

Please follow the directions on the product label. Do not exceed the recommended serving size unless advised by a qualified healthcare professional.

Can I take multiple Ronnie Coleman Signature Series products together?

Some products can be used together depending on your goals, but always read the labels carefully and pay attention to serving sizes, stimulant content, and intended use.

Do your products contain banned substances?

We are committed to quality, but athletes with governing-body testing requirements should always review product details carefully and consult their organization’s rules before use.

Are your products safe?

Our products are made with quality in mind, but individual tolerance varies. Always read the label, follow usage directions, and consult your physician if you have any medical condition, are taking medication, are pregnant, or are nursing.

Do your products contain allergens?

Please review each product label carefully for allergen information. If you have a severe allergy or sensitivity, consult your healthcare professional before use.

Do your products contain stimulants?

Some products may contain stimulants and some may not. Please review the product label and supplement facts panel before use.

Why does the color, taste, or texture sometimes vary?

Minor variations in color, flavor, or texture can happen from batch to batch and do not necessarily affect product quality.

Are your products intended to diagnose,treat, cure, or prevent disease?

No. Our products are dietary supplements and are not intended to diagnose, treat, cure, or prevent any disease.

Can I use your supplements if I am under 18?

Our products are generally intended for adults. Anyone under 18 should use supplements only with parental approval and guidance from a qualified healthcare professional.

Can I use your supplements if I am pregnant or nursing?

If you are pregnant or nursing, consult your physician before using any dietary supplement.

What should I do if I have a medical condition or take prescription medication?

Please speak with your doctor or qualified healthcare provider before using any supplement.

Do you offer sample sizes?

Sample availability may vary by product and promotion.

Why is a product out of stock?

Some products may sell out due to high demand. We recommend checking back regularly for restocks.