What Happened to Four Loko? The Rise and Fall of America’s Most Controversial Drink
Four Loko’s original caffeine-and-alcohol formula was pulled in 2010 after FDA warnings. Here’s the fast history, the ban, what changed, and where it stands today.
What Happened to Four Loko? The Rise and Fall of America’s Most Controversial Drink
TL;DR: Four Loko’s original formula (alcohol + high caffeine + other stimulants) was effectively pulled from U.S. shelves in late 2010 after the FDA warned that adding stimulants to alcoholic beverages was unsafe. Four Loko still exists, but without caffeine/guarana/taurine. Today’s cans are flavored malt beverages (FMBs) with higher ABV variants in some markets—minus the stimulants that made the brand infamous.
The Original Four Loko Formula (2005–2010)
Four Loko launched in the mid-2000s amid an explosion of energy drinks. The early cans combined:
- Alcohol (malt base)
- Caffeine (plus guarana/taurine in many iterations)
- Sweet, fruity flavors and neon branding
Two things set it apart:
- Potency: a single 23.5-oz can often contained as much alcohol as multiple beers.
- Stimulant mix: caffeine could mask sensations of intoxication, encouraging people to drink more than intended.
The result: a drink that felt like a night out, bundled in one can.
Why Four Loko Became So Popular
Four Loko spread through campuses and parties thanks to:
- Price-to-punch ratio: cheap, big cans, big buzz.
- Dessert-like flavors: easy to drink; easy to overdo.
- Viral word-of-mouth: memes, nicknames (“blackout in a can”), and social feeds did the advertising.
Key facts for skimmers:
- One can ≠ one drink. For many, it functioned like 3–4 standard drinks in one package.
- Stimulants dull the “I feel drunk” cue, which can lead to riskier consumption.
The Incidents That Killed the Old Formula
As sales climbed, so did ER visits and campus bans. College administrators and local officials flagged patterns that were hard to ignore:
- Clusters of hospitalizations tied to parties where Four Loko was present.
- Mixed intoxications (alcohol + stimulants + sometimes other substances).
- Local prohibitions: Some campuses and municipalities restricted or barred the product pending state/federal guidance.
The pattern wasn’t that Four Loko alone caused every incident; it’s that its format and profile amplified risky drinking contexts. That perception—backed by public-health warnings—put the brand in regulators’ crosshairs.
The FDA Steps In
In November 2010, the FDA told several companies (including Four Loko’s maker) that adding caffeine to alcoholic beverages was “unsafe”. The signal was clear:
- Caffeinated alcohol = off the table in its then-current form.
- Companies needed to remove stimulant additives or leave the market.
Within weeks, the original Four Loko formula disappeared. Retailers cleared old inventory, and the brand prepared a reformulated return.
Skim note: The FDA didn’t “ban Four Loko forever.” It warned that caffeine-as-an-additive in alcoholic FMBs was not generally recognized as safe. The product could continue—without caffeine/guarana/taurine.
Four Loko Today: What Changed
Post-2010, Four Loko shifted to a non-caffeinated flavored malt beverage:
- No caffeine/guarana/taurine in the U.S.
- Fruity flavors remain, often with high ABV variants depending on state rules (e.g., 12% or higher in some places).
- Warning labels and responsible-drinking messaging are more prominent.
What you’ll notice on shelves now:
- Same loud cans, different contents.
- Placement next to FMBs/hard teas, not energy drinks.
- Occasional limited flavors to keep the novelty churn going—without stimulants.
The Legacy and Cultural Impact
Four Loko is a case study in how format + marketing + timing can ignite a cultural moment:
- It captured late-2000s party culture—big cans, sweet flavors, maximalist branding.
- It triggered a national debate on caffeinated alcohol, pushing regulators to clarify where energy drinks stop and booze begins.
- It lives on as a meme and as a reformulated product that proves you can survive a regulatory shock—if you adapt.
Bottom line: The old Four Loko is gone; the brand remains.
Quick Facts (for skimmers)
- Original issue: Alcohol + caffeine/guarana/taurine combination.
- Regulatory moment: Late 2010 FDA warning letters → companies removed stimulants.
- Now: Non-caffeinated Four Loko flavored malt beverage; ABV varies by market.
- Why it mattered: Showed how stimulants can mask intoxication, complicating public-health responses.
Timeline
- 2005–2008: Four Loko expands; energy-drink culture peaks.
- 2009–2010: Incidents and campus bans draw scrutiny; states consider restrictions.
- Nov 2010: FDA warnings on caffeinated alcohol → stimulants removed.
- 2011–present: Four Loko continues as non-caffeinated FMB; periodic flavor drops.
What Consumers Still Ask
“Is Four Loko banned?”
No. The caffeinated version is effectively gone in the U.S., but non-caffeinated Four Loko is widely sold (subject to local laws).
“Does it still hit the same?”
Without stimulants, the experience is different. High ABV and sweetness can still encourage fast consumption, so pace matters.
“Why not just keep the caffeine?”
Because FDA guidance treats added caffeine in alcoholic beverages as unsafe. Reformulation keeps the brand compliant.
Images
- Then vs. Now hero: Old can mockup + current can (no stimulants).
- Regulatory moment: A simple callout graphic: “2010: FDA says no to caffeinated alcohol.”
- Current shelf: Four Loko in FMB section (no energy-drink adjacency).

Four Loko — pasa47 (CC BY 2.0)
Tip: Use alt text and captions for accessibility and SEO. Keep images under ~200 KB WebP where possible.
TL;DR (again, for the fast scrollers)
- 2010 FDA warning ended Four Loko’s caffeinated formula.
- Today’s Four Loko = flavored malt beverage with no caffeine/guarana/taurine.
- The brand survived by reformulating and repositioning.
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Last updated: January 2025