FREQUENTLY ASKED QUESTIONS ABOUT
GLUTATHIONE RAPID BOOST®+ GRB®+

Answers to common questions about GRB®+.

What is the suggested use for GRB®+?

Mix 1 level scoop of GRB®+ with 12–16 ounces of water. Use as part of your daily routine whenever you want support for energy, focus, and overall wellness.

What are the main ingredients in GRB®+?

GRB®+ contains a blend of ingredients commonly used to support energy, focus, and overall wellness, including:

RKMD Glutathione Sports Drink ingredients

• N-Acetyl Cysteine (NAC)

• L-Citrulline

• Taurine

• L-Theanine

• Theobromine

• Vitamin C

• Vitamin B-12

• Quercetin

• Milk Thistle

These ingredients are selected to support cellular health, antioxidant activity, and daily performance.

What is the difference between GRB®+ and OGF®?

OGF® capsules are formulated for daily use to support your body’s natural glutathione levels and overall cellular health as part of your everyday wellness routine.

GRB®+ drink mix is designed as an on-demand support formula to complement your daily OGF® regimen. It can be used when you want additional support for energy, mental focus, immune function, and physical endurance during busy or demanding parts of your day.

Together, OGF® provides daily support, while GRB®+ is intended for occasional or situational use when you want an extra boost.

Can I take GRB®+ every day?

Yes, GRB®+ can be used daily as part of your routine. Many people use it to support energy and focus throughout the day.

What is nitric oxide?

Nitric oxide is a naturally occurring compound in the body involved in various normal physiological processes. Certain ingredients in GRB®+ are commonly used to support these pathways.

What is Glutathione?

Glutathione is a naturally occurring antioxidant that plays a role in supporting cellular health and overall wellness.

What should I expect when using GRB®+ ?

GRB®+ is designed to support steady energy and focus as part of your daily routine. Individual experiences may vary.

Does GRB®+ contain caffeine?

No, GRB®+ is caffeine-free.

Does GRB®+ contain sugar?

No, GRB®+ is sugar-free and is sweetened with Stevia.

Why choose GRB®+ over typical energy drinks?

GRB®+ is a caffeine-free alternative designed to support energy, focus, and overall wellness without relying on stimulants.

Can I take GRB®+ at night?

GRB®+ is typically used earlier in the day. Individual preferences may vary.

Can I combine GRB®+ with other supplements?

GRB®+ can be used alongside other supplements. If you have specific concerns, consult your healthcare provider.

How should GRB®+ be stored?

Store in a cool, dry place away from heat and moisture.

Is GRB®+ tested for quality?

All RobKellerMD products are manufactured and prepared in the USA in a GMP-certified facility in compliance with applicable industry and regulatory standards.

Quality control measures are implemented throughout the manufacturing process to help ensure product consistency, purity, and potency.

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

This product has been manufactured and prepared in the USA by a GMP certified facility in strict conformance with industry and governmental standards. Purity and potency guaranteed.

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