The Oxford Ketone Ester

A revolutionary new source of energy for human performance and health.

27 g Ketone Ester
for Performance

Buy △G Performance

32 g Ketone Ester
for Tactical Athletes

Buy △G Tactical

11 g Ketone Ester
for Health

Buy △H Health

32 g Ketone Ester
Coffee Booster

Buy △Gold

Achieve deep ketosis in 20 minutes with a single serving.

  • "△G is the fuel that gets me through a tough workout with a clear mind and without feeling fatigued."
    John Murphy
    Former college football player, AXA corporate executive and financial professional.

  • "My enhanced combination of will and ability was no doubt due to deltaG....as was my 1st-place finish for females and 8th overall."
    Jillian Benoit
    Luxury hospitality industry executive, Competitive trailrunner, and endurance ahtlete

  • "△G is a must-have for individuals looking to achieve their peak performance during extreme endurance events."
    Wesley R. Gray, Ph.D.
    US Marine, Author, and CEO Alpha Architect

Limited Time Only

Ultimate Ketone Ester Sample Bag - 35% off retail price plus free shipping to continental US

$69.00 $106.00

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Drink △G Ketone Performance for endurance, resilience and recovery.


The original ketone ester: funded by DARPA, developed by Oxford and the NIH, protected by global patents, and tested by elite athletes and military tactical personnel. Designed to raise blood ketones to levels optimized for physical and cognitive performance, deltaG can be used in events and rigorous training programs. Studies have shown that △G Ketone Performance supports:

- Record breaking performance for elite athletes.

- Significantly improved muscle recovery immediately following exercise.

- Overnight recovery from fatigue caused by strenuous exercise.

Contains 25 g of deltaG in each drink, providing sufficient ketosis to support endurance, resilience and recovery. *

Explore △G

Drink △H Ketone Health for immunity, metabolism and rejuvenation.

deltaH is a unique health and support technology designed as an easy-to-drink daily shot. The path to a healthy ketogenic lifestyle has never been easier. Studies have shown that the △H Ketone Health supports:
- Immune system, repair and brain health.

- Metabolic efficiency and healthy body weight by alleviating hunger.

- Balanced mood and anxiety reduction.

Contains 10g of deltaG in each drink, providing sufficient ketosis to support immunity, metabolism and rejuvenation when used as part of a healthy diet and with exercise. *



Explore △H

Drink △G Tactical for tactical operations and extreme sports.


Born for battle, built for extreme environments---introducing deltaG Tactical. Our Tactical product is the most potent ketosis-boosting technology in the world. Designed in collaboration with veterans of our most elite special operations units, deltaG Tactical is sealed in a ruggedized, minimalist "bullet bottle" and comes packaged in either a lightweight pouch (for field use) or a specialty Pelican 1300 case (for base camp, gym, or vehicle transport).

deltaG Tactical contains 32 grams of ketone ester and is perfect for operators, expeditionary adventurers, and combat athletes seeking a large spike in blood ketone levels and concomitant physical and cognitive performance support.


When it really 'Pays to Be a Winner', have deltaG Tactical in your kit bag!

Explore △G Tactical