Frozen margarita: what one drink carries

A systematic review of 22 trials in 701 healthy adults, mostly aged 18 to 37, pooled 12 of them. An alcoholic drink raised the energy people then ate from food by 343 kJ (95% CI 161 to 525) compared with a non-alcoholic drink, and total intake including the drink by 1072 kJ. Those were single laboratory sessions with various drinks, none of them margaritas, and some crossovers may not have been randomized. A frozen margarita brings its own load. One 225 g drink in the US survey database gives about 275 calories, 36 g of sugars and 18 g of alcohol, roughly 1.3 US standard drinks, and bar pours and mixes vary. The WHO Regional Office for Europe says there is no safe amount of alcohol that does not affect health. Sugar added on top of a usual diet has a trial record too. A meta-analysis of 169 controlled feeding trials in 10,357 people found it raised body weight by 0.62 lb (0.28 kg) over a median 12 weeks, in trials that did not involve alcohol. We found no study of margaritas or tequila as such.

As people eat it, per 3.5 oz (100 g)

How much is actually in it

• One frozen margarita (225 g) in the US survey database provides about 275 calories, 36 g of sugars and 18 g of alcohol. — US survey food Frozen margarita Evidence E source
  Per 100 g: 122 calories, total sugars 16.06 g, ethyl alcohol 8.2 g; 1 drink 225 g

What a real portion looks like

• The US alcohol institute (NIAAA) defines one standard drink as about 14 g of pure alcohol, so the 18 g in one frozen margarita counts as about 1.3 drinks. — US drinkers Evidence E source
  One US standard drink = about 14 g pure alcohol

What your body absorbs

• In a randomized crossover trial in 12 adults, alcohol with regular cola gave a lower peak breath alcohol than the same dose with diet cola (34.8 vs 38.3 ug/100 mL). — 12 healthy adults aged 19-64, 0.5 g/kg alcohol on two mornings (n = 12) Evidence B source
  Peak BrAC 34.8 vs 38.3 ug/100 mL and lower 3-hour AUC with regular (35 g sugar) vs diet mixer
• In a randomized crossover trial in 9 men, drinking a small alcohol dose after a meal roughly halved peak blood alcohol compared with an empty stomach, whatever the meal's macronutrients. — Nine healthy men, 0.30 g/kg ethanol on five occasions (n = 9) Evidence B source
  Peak BAC 13.3-17.7 mg/dL after fat, carbohydrate or protein meals vs 30.8 mg/dL fasting

What it does to your health

• A meta-analysis of crossover and randomized trials found an alcoholic drink raised food energy intake by 343 kJ and total energy intake by 1072 kJ versus a non-alcoholic comparator. — Healthy adults, mostly aged 18-37, in 22 trials (n = 701) Evidence B source
  Food energy intake +343 kJ (95% CI 161 to 525); total energy intake +1072 kJ (95% CI 820 to 1323)
• A meta-analysis of 169 controlled feeding trials found that adding fructose-containing sugars on top of the diet raised body weight by 0.62 lb (0.28 kg) over a median 12 weeks. — 10,357 participants in controlled trials of at least 2 weeks (n = 10357) Evidence A source
  Body weight MD +0.62 lb (95% CI 0.13 to 1.1; metric: 0.28 kg, 0.06 to 0.50) in addition trials; -2.1 lb (-0.96 kg) when sugars removed

Safety, limits and interactions

• In a German survey of 618 adults, about half reported headache from cold food or drink, and in 92.7 percent of them it lasted under 30 seconds. — 618 adults aged 17-63 answering a standardized questionnaire (n = 618) Evidence C source
  Prevalence 51.3%; duration under 30 s in 92.7%
• The UK Chief Medical Officers advise men and women that, to keep health risks from alcohol low, it is safest not to drink more than 14 units a week on a regular basis, spread over 3 or more days. — adults in the UK who drink most weeks, men and women Evidence E source
  Keep to at most 14 UK units a week, spread over 3 or more days, with several drink-free days
• A 2024 case report describes a hyperpigmented patch on the back of a 34-year-old after a beach holiday, traced to lime margarita that got on the hand and was rubbed onto the skin in the sun. — a 34-year-old patient after a beach vacation in Mexico (n = 1) Evidence D source
  Hyperpigmented patch on the back after lime margarita on the hand plus sun exposure (phytophotodermatitis)
• The WHO Regional Office for Europe says there is no safe amount of alcohol that does not affect health, and that alcohol is classed as a Group 1 carcinogen. — general population Evidence E source
  No safe amount of alcohol that does not affect health. Alcohol is an IARC Group 1 carcinogen
• The US alcohol institute (NIAAA) says small amounts of alcohol can make it dangerous to drive, and that mixing alcohol with certain medicines raises that risk further. — people who drink, including those taking medicines Evidence E source
  Small amounts of alcohol make driving dangerous. Mixing with certain medicines raises the risk further
• The CDC reports that 37 people in the United States are killed every day in crashes involving an alcohol-impaired driver. — United States, road deaths Evidence E source
  37 people a day killed in crashes involving an alcohol-impaired driver
• The US alcohol institute (NIAAA) lists abnormally low blood sugar as a possible reaction when alcohol meets diabetes medicines, and dizziness, fainting and heart rhythm changes when it meets blood pressure medicines. — people taking diabetes medicines (including metformin, glipizide) or blood pressure medicines Evidence E source
  Diabetes medicines: abnormally low blood sugar, flushing reaction. Blood pressure medicines: dizziness, fainting, drowsiness, arrhythmia
• The US alcohol institute (NIAAA) lists stomach bleeding and ulcers, and liver damage with acetaminophen, as possible reactions when alcohol is mixed with common pain relievers. — people taking pain relievers such as ibuprofen, naproxen, aspirin or acetaminophen Evidence E source
  Stomach upset, bleeding and ulcers. Liver damage with acetaminophen. Rapid heartbeat

What people believe that the data does not support

• The EU refused a health claim that a glucose-fructose mix lowers blood alcohol by slowing its absorption, so sugar in a cocktail cannot be sold as a sobering aid. — EU health claim applicants, register snapshot 2026-09-21 Evidence E source
  Claim status: non-authorized

Who this works differently for

• According to the NIH Office of Dietary Supplements, up to 80 percent of people with chronic alcoholism develop thiamin deficiency. — People with chronic alcohol use disorders Evidence E source
  Up to 80% develop thiamin deficiency
• The UK Chief Medical Officers say that if you are pregnant or think you could become pregnant, the safest approach is not to drink alcohol at all. — women who are pregnant or think they could become pregnant Evidence E source
  Safest approach is no alcohol at all
• The CDC says there is no known safe amount of alcohol use during pregnancy and no safe time during pregnancy to drink, and that all types of alcohol, liquor included, can be harmful. — pregnant women Evidence E source
  No known safe amount and no safe time to drink in pregnancy. All types of alcohol, including liquor, can harm
• The 2025-2030 Dietary Guidelines for Americans advise drinking less alcohol for better overall health and say pregnant women, people recovering from alcohol use disorder or unable to control their drinking, and people on interacting medicines should avoid it completely. — US adults, with named groups who should not drink at all Evidence E source
  Drink less. Avoid completely if pregnant, recovering from or unable to control drinking, or on interacting medicines

The bottom line

The sugar in the mix changes how the alcohol arrives. In a randomized crossover trial in 12 adults given 0.5 g of alcohol per kg with cola, peak breath alcohol was 34.8 ug/100 mL with regular cola and 38.3 ug/100 mL with diet cola. Twelve people drinking cola is a small base, and a lower peak is no protection. Food does more. In 9 healthy men given a small dose of 0.30 g per kg, peak blood alcohol after a fat, carbohydrate or protein meal was 13.3 to 17.7 mg/dL, against 30.8 mg/dL on an empty stomach. A lower peak is not a measure of what is safe. The European Union refused a health claim that a glucose and fructose mix lowers blood alcohol by slowing its absorption. A refusal means the evidence was judged insufficient, so the sugar in your drink cannot be counted on to sober you up. Some people should take more care. The NIH Office of Dietary Supplements states that up to 80 percent of people with chronic alcoholism develop thiamin deficiency. That concerns long-term heavy drinking and says nothing about one cocktail. Headache from cold drinks is common and brief. In a German questionnaire of 618 adults, 51.3 percent reported headache from cold food or drink, and in 92.7 percent of them it lasted under 30 seconds, by their own report. No amount of alcohol is known to be free of risk. The WHO Regional Office for Europe says there is no safe amount that does not affect health and that alcohol is a Group 1 carcinogen. The UK Chief Medical Officers advise that, to keep health risks low, it is safest not to drink more than 14 UK units a week on a regular basis, spread over 3 or more days. A UK unit is smaller than a US standard drink, and that ceiling is a low-risk limit, not a safe amount. The 2025-2030 Dietary Guidelines for Americans give no daily number and advise drinking less. They say people who are pregnant, recovering from alcohol use disorder or unable to control their drinking, or taking interacting medicines should avoid alcohol completely. The CDC says there is no known safe amount and no safe time to drink during pregnancy, and the UK Chief Medical Officers say the safest approach for anyone pregnant or who could become pregnant is not to drink at all. The US alcohol institute (NIAAA) says small amounts of alcohol can make driving dangerous, and the CDC reports that 37 people a day in the United States are killed in crashes involving an alcohol-impaired driver. NIAAA lists abnormally low blood sugar with diabetes medicines, dizziness, fainting and heart rhythm changes with blood pressure medicines, and stomach bleeding, ulcers or, with acetaminophen, liver damage with common pain relievers. Lime brings one odd risk of its own: a 2024 case report describes a dark patch on the back of a 34-year-old after lime margarita on the hand was rubbed onto the skin in the sun.

Sources

1. frzm-daily-r1-01 · food composition and portion data
   Frozen margarita (FDC 2710683): Energy 122 kcal; Total Sugars 16.06 g; Alcohol, ethyl 8.2 g per 100 g; 1 drink 225 g
   USDA FNDDS 2021-2023, Frozen margarita, FNDDS 93301510, FDC 2710683 · checked 2026-10-01
2. hf2-frzm-10 · agency definition
   In the United States, one standard drink contains about 14 grams, or about 0.6 fluid ounces, of pure alcohol.
   NIAAA, What Is A Standard Drink? · checked 2026-10-08
3. frzm-daily-r1-02 · randomized crossover trial
   In a randomised order, twelve healthy participants (n = 12, 8 male and 4 female) aged 19-64 years were studied twice. ... Diet coke increased both the peak BrAC (38.3 ± 9.45 vs. 34.8 ± 6.82 μg/100 mL) and the area under the breath ethanol curve between 0 and 180 minutes (45249.0 ± 95.7 vs. 40439.25 ± 72.5 μg·min/L).
   Toxicol Lett, 2025 · checked 2026-10-01
4. frzm-daily-r1-03 · randomized crossover trial
   The peak blood-alcohol concentrations (BAC) were 16.6 +/- 4.0, 17.7 +/- 7.1, and 13.3 +/- 4.0 mg dl-1 (mean +/- s.d.) after fat, CHO, and protein-rich meals and 30.8 +/- 4.3 and 54.3 +/- 6.4 mg dl-1 after fasting and i.v. infusion, respectively.
   Br J Clin Pharmacol, 1997 · checked 2026-10-01
5. frzm-daily-r1-04 · meta-analysis of trials
   A total of twenty-two studies involving 701 participants were included from the 18 427 papers retrieved. ... Meta-analyses using the random-effects model were conducted on twelve studies and demonstrated that alcoholic beverage consumption significantly increased food energy intake and total energy intake compared with a non-alcoholic comparator by weighted mean differences of 343 (95 % CI 161, 525) and 1072 (95 % CI 820, 1323) kJ, respectively.
   Br J Nutr, 2019 · checked 2026-10-01
6. frzm-daily-r1-05 · meta-analysis of controlled trials
   We included 169 trials (255 trial comparisons, n = 10,357) assessing 14 food sources at 4 energy control levels over a median 12 wk. Total fructose-containing sugars increased body weight (MD: 0.28 kg; 95% CI: 0.06, 0.50 kg; PMD = 0.011) in addition trials and decreased body weight (MD: -0.96 kg; 95% CI: -1.78, -0.14 kg; PMD = 0.022) in subtraction trials with no effect in substitution or ad libitum trials.
   Am J Clin Nutr, 2023 · checked 2026-10-01
7. frzm-daily-r1-08 · cross-sectional survey
   In a cohort of 618 people aged between 17-63 years (females: n = 426, 68.9%), the prevalence of HICS was 51.3% (317 out of 618). There was no difference between men and women (51.3% vs. 51.6%). The duration of HICS was shorter than 30 sec in 92.7%.
   Cephalalgia, 2020 · checked 2026-10-01
8. hf2-frzm-1 · national guideline
   To keep health risks from alcohol to a low level it is safest not to drink more than 14 units a week on a regular basis. ... If you regularly drink as much as 14 units per week, it is best to spread your drinking evenly over 3 or more days.
   UK Chief Medical Officers' Low Risk Drinking Guidelines, August 2016 (Department of Health) · checked 2026-10-08
9. hf2-frzm-11 · case report
   Phytophotodermatitis is a type of contact dermatitis that occurs upon skin exposure to certain plant chemicals, known as furocoumarins, along with simultaneous sun exposure. This case details a 34-year-old patient who presented to the office with an asymptomatic, irregularly shaped, and hyperpigmented patch located on the left inferior middle back that had been present since a recent beach vacation in Mexico. ... conclude that a cutaneous phytotoxic reaction had occurred when a lime margarita contacted the hand, which was subsequently rubbed onto the patient's back.
   Cureus, 2024 · checked 2026-10-08
10. hf2-frzm-5 · agency position
    when it comes to alcohol consumption, there is no safe amount that does not affect health. ... Alcohol is a toxic, psychoactive, and dependence-producing substance and has been classified as a Group 1 carcinogen by the International Agency for Research on Cancer decades ago
    WHO Regional Office for Europe, news release: No level of alcohol consumption is safe for our health (4 January 2023) · checked 2026-10-08
11. hf2-frzm-6 · agency advice
    Small amounts of alcohol can make it dangerous to drive, and when you mix alcohol with certain medicines you put yourself at even greater risk.
    NIAAA, Harmful Interactions: Mixing Alcohol with Medicines (brochure, revised 2014) · checked 2026-10-08
12. hf2-frzm-7 · agency statistic
    37 people in the United States are killed every day in crashes involving an alcohol-impaired driver
    US CDC, Impaired Driving: Facts (page reviewed January 28, 2026) · checked 2026-10-08
13. hf2-frzm-8 · agency advice
    Abnormally low blood sugar levels, flushing reaction (nausea, vomiting, headache, rapid heartbeat, sudden changes in blood pressure); symptoms of nausea and weakness may occur (metformin) ... Dizziness, fainting, drowsiness; heart problems such as changes in the heart’s regular heartbeat (arrhythmia)
    NIAAA, Harmful Interactions: Mixing Alcohol with Medicines (brochure, revised 2014) · checked 2026-10-08
14. hf2-frzm-9 · agency advice
    Stomach upset, bleeding and ulcers; liver damage (acetaminophen); rapid heartbeat
    NIAAA, Harmful Interactions: Mixing Alcohol with Medicines (brochure, revised 2014) · checked 2026-10-08
15. frzm-daily-r1-06 · regulatory decision
    POL-HC-7599 Mix of Glucose-Fructose helps to lower level of the consumed alcohol in the body by decelerating of the absorbin of alcohol Non-authorised
    EU Register on nutrition and health claims, claim POL-HC-7599, snapshot 2026-09-21 · checked 2026-10-01
16. frzm-daily-r1-07 · agency fact sheet
    Up to 80% of people with chronic alcoholism develop thiamin deficiency because ethanol reduces gastrointestinal absorption of thiamin, thiamin stores in the liver, and thiamin phosphorylation [3,19].
    NIH Office of Dietary Supplements, Thiamin Fact Sheet for Health Professionals · checked 2026-10-01
17. hf2-frzm-2 · national guideline
    If you are pregnant or think you could become pregnant, the safest approach is not to drink alcohol at all, to keep risks to your baby to a minimum.
    UK Chief Medical Officers' Low Risk Drinking Guidelines, August 2016 (Department of Health) · checked 2026-10-08
18. hf2-frzm-3 · agency advice
    There is no known safe amount of alcohol use during pregnancy. ... There is no safe time during pregnancy to drink alcohol. ... All types of alcohol can be harmful, including red or white wine, beer, and liquor.
    US CDC, About Alcohol Use During Pregnancy (page reviewed August 14, 2026) · checked 2026-10-08
19. hf2-frzm-4 · dietary guideline
    Consume less alcohol for better overall health. ... People who should completely avoid alcohol include pregnant women, people who are recovering from alcohol use disorder or are unable to control the amount they drink, and people taking medications or with medical conditions that can interact with alcohol.
    Dietary Guidelines for Americans, 2025-2030 (HHS, USDA), January 2026 · checked 2026-10-08