How much caffeine is in AriZona RX Energy Caution Low-Carb?

AriZona RX Energy Caution Low-Carb by AriZona contains 144mg of caffeine per can.

How much sugar is in AriZona RX Energy Caution Low-Carb?

AriZona RX Energy Caution Low-Carb contains 4g of sugar per can and is not marketed as sugar-free.

How many calories are in AriZona RX Energy Caution Low-Carb?

AriZona RX Energy Caution Low-Carb has 30 calories per can.

How does the caffeine in AriZona RX Energy Caution Low-Carb compare to daily guidelines?

One can (11.5 fl oz): 144 mg caffeine (about 12.5 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.

Does AriZona RX Energy Caution Low-Carb have more caffeine than a cup of coffee?

Yes. At 144 mg, AriZona RX Energy Caution Low-Carb has about as much caffeine as 1.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).

What sweetens AriZona RX Energy Caution Low-Carb?

Contains 4 g sugar. Also sweetened with Sucralose.

AriZona

AriZona RX Energy Caution Low-Carb

144mgMore caffeine than 20% of the drinks we track

lifestyle

Caffeine: 144mg; ≈ 1.5 cups of coffee
Sugar: 4g
Calories: 30

How it compares

vs. 896 drinks

Caffeine: 144mg
Sugar: 4g
Calories: 30

Based on every drink in our catalog. See the category-wide data

Check Price + Compare + Log caffeine

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Ingredients & nutrition facts

Carbonated Water
Apple Juice From Concentrate
Pear Juice From Concentrate
Orange Blossom Honey
Mango Puree
Taurine
Natural Flavors
Citric Acid
Peach Juice From Concentrate
Caffeine
Monopotassium Phosphate
Beta Carotene (For Color)
L-Carnitine
Guarana Seed Extract
Glucuronolactone
Inositol
Sucralose
Ascorbic Acid (Vitamin C)
Gum Acacia
Ester Gum
D-Calcium Pantothenate (Vitamin B5)
Panax Ginseng Root Extract
Milk Thistle Seed Extract
Pyridoxine Hci (Vitamin B6)
Cyanocobalamin (Vitamin B12)

Label checked Oct 5, 2026 · AriZona's own product page, Nutrition Facts popup (screenshot supplied by Tom 2026-10-04): serving size 11.5 fl oz (340 mL), 30 calories, 7 g carbohydrate, 4 g total sugars (3 g added)

Frequently asked questions

How much caffeine is in AriZona RX Energy Caution Low-Carb?: AriZona RX Energy Caution Low-Carb by AriZona contains 144mg of caffeine per can.
How much sugar is in AriZona RX Energy Caution Low-Carb?: AriZona RX Energy Caution Low-Carb contains 4g of sugar per can and is not marketed as sugar-free.
How many calories are in AriZona RX Energy Caution Low-Carb?: AriZona RX Energy Caution Low-Carb has 30 calories per can.
How does the caffeine in AriZona RX Energy Caution Low-Carb compare to daily guidelines?: One can (11.5 fl oz): 144 mg caffeine (about 12.5 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.
Does AriZona RX Energy Caution Low-Carb have more caffeine than a cup of coffee?: Yes. At 144 mg, AriZona RX Energy Caution Low-Carb has about as much caffeine as 1.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).
What sweetens AriZona RX Energy Caution Low-Carb?: Contains 4 g sugar. Also sweetened with Sucralose.