Relentless Energy Drink Caffeine Content

Relentless is a brand name of a popular energy drink created in 2006 by The Coca-cola company. In the year ending 2009, sales of the product had grown by 29%. After a deal on 14th August 2014, seeing Coca-cola buy a 16.7% share of monster energy, ownership of the relentless brand along with other Coca Cola energy products were transferred to monster energy, and monster energy’s non-energy brands were transferred to coca cola.

Relentless is an energy drink that contains caffeine and taurine. It is marketed as a stimulant drink for people who require continuous energy throughout the day. Although it does contain caffeine, it is not recommended for pregnant women, children, or anyone sensitive to caffeine.

Does Relentless Energy Drink have caffeine?

Yes, Relentless contains 160mg of caffeine per 16.9 fl oz (500 mL) can and 32mg of Caffeine per 100ml.

Serving sizeCaffeine AmountCaloriesCaffeine strength
100ml32 mg45.4LOW
16.9 fl oz (500ml)160 mg 225VERY HIGH
caffeine in Relentless

How Much Caffeine is in Relentless Energy Drink?

  • Caffeine Amount: 160 mg
  • Caffeine strength: MODERATE
  • Calories: 225kcal
  • Serving size: 16.9 fl oz can
  • Sugar: sugar-Free

Relentless Flavors

All flavors of Relentless Energy Drink have the same amount of caffeine per serving.

  • Relentless Origin Energy: 160 mg per 500 mL
  • Relentless Peach Zero Sugar: 160 mg per 500 mL
  • Relentless Raspberry Zero Sugar: 160 mg per 500 mL
  • Relentless Sour Twist: 160 mg per 500 mL
  • Relentless Passion Punch: 160 mg per 500 mL
  • Relentless Cherry: 160 mg per 500 mL
  • Relentless Apple and Kiwi: 160 mg per 500 mL
  • Relentless Mango: 160 mg per 500 mL
Relentless energy drinks Flavors
Relentless energy drinks Flavors

Compare caffeine in Relentless Vs. Popular Energy Drinks

ItemsServing SizeCaffeine
Relentless16.9 fl oz160mg
NOS Energy Drink16 fl oz160mg
Monster Ultra16 fl oz150mg
Red Bull8.46 fl oz80mg
Monster16 fl oz160mg
Rockstar16 fl oz160mg
Burn Energy Drink12 fl oz112mg

Ingredients in Relentless Energy

  • Carbonated Water
  • Sugar
  • Citric Acid
  • Taurine (0.4%)
  • Glucuronolactone (0.24%)
  • Acidity Regulator (E331)
  • Colour (Caramel E150d and E104)
  • Preservative (E202, E211)
  • Caffeine
  • Inositol
  • Niacin
  • Pantothenic Acid
  • Vitamin B3
  • Vitamin B6
  • Vitamin B12
  • Guarana

Nutrition Facts in Relentless

Serving Size‎100 ml
Energy (kcal)‎45.41 kcal
Fat‎0 Grams
of which:
– Saturates‎0 Grams
Carbohydrate‎11 Grams
of which:
– Sugars‎11 Grams
Protein‎0 Grams
Salt‎0.13 Grams

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