Nice — here’s a quick, practical taste-test comparing Monster Energy and Red Bull plus a simple way to run your own blind comparison.

Quick summary

• Monster: sweeter, thicker mouthfeel, more syrupy/fruit-forward flavoring; often perceived as less carbonated. Tends to have a bigger, bolder flavor profile and comes in many flavored variants.
• Red Bull: lighter, drier, more citrus‑tangy and medicinal/functional taste; higher perceived carbonation and a thinner mouthfeel. More consistent across cans and marketed as “cleaner” energy taste.

What to look (and taste) for

• Sweetness: Monster generally sweeter. Red Bull is less sweet and more tart.
• Bitterness/aftertaste: Red Bull can have a slightly bitter/metallic or medicinal aftertaste for some people; Monster’s aftertaste is often syrupy or artificial-fruit.
• Mouthfeel & carbonation: Monster feels thicker and sometimes less fizzy; Red Bull usually feels crisper and more carbonated.
• Flavor complexity: Monster often blends fruit, candy, or cola notes depending on variant; Red Bull’s original is more one-note (tangy/citrus/functional).
• Energy perception: Subjective — some think Monster “feels stronger” because of the sweetness and larger can sizes; physiological effects depend on caffeine and sugar content, not flavor alone.

Variants & size effects

• Monster comes in many flavors (Green, Ultra, Zero, Rehab, etc.) and larger standard cans (e.g., 16 oz). Size and sugar/caffeine content change perception—bigger, sweeter cans feel more intense.
• Red Bull’s original is more uniform (regular, sugar-free/zero variants, flavored editions) and commonly sold in 8.4 oz and 12 oz sizes; smaller cans concentrate flavor and carbonation.

Who might prefer which

• Prefer Monster if you like sweeter, candy/fruit-forward drinks with a fuller mouthfeel and bolder taste.
• Prefer Red Bull if you like lighter, crisper, more carbonated drinks with a tangy/functional flavor and less sweetness.

Simple blind taste-test you can do (3–5 minute setup)

1. Chill both to the same temperature.
2. Pour into identical opaque cups, label A and B (or have someone else do it).
3. Taste A first, cleanse palate with water, wait 30–60 seconds, taste B.
4. Score each on 1–10 for: sweetness, carbonation, mouthfeel, flavor intensity, aftertaste, overall preference.
5. Swap cup order (or repeat) to check consistency.

Sample quick scoring sheet (0–5 or 0–10 each)

• Sweetness:
• Carbonation:
• Mouthfeel:
• Flavor intensity/complexity:
• Aftertaste:
• Overall preference:

Notes & tips

• Try sugar-free/zero variants separately — they taste noticeably different from sugared versions.
• Temperature matters: very cold dulls sweetness and bitterness; slightly warmer reveals more flavor complexity.
• If you care about caffeine or sugar effects, check labels — Monster often has larger serving sizes and more sugar/caffeine per can, which affects how “strong” it feels.

If you want, I can:

• Provide a printable scoring sheet.
• Compare specific variants (e.g., Monster Green vs Red Bull Original).
• Give approximate caffeine and sugar comparisons for particular cans (I can look up current label values if you want exact numbers).