Whiskey sour mix: the sugar in the glass before the whiskey

In a meta-analysis of randomized trials in adults, adding sugar-sweetened drinks to the diet led to 1.8 lb (0.83 kg) more weight gain than noncaloric controls (95% CI 1 to 2.6 lb (0.47 to 1.19 kg)), and those trials tested sugary drinks in general, never a cocktail mixer. That borrowed result is the strongest evidence on this page, because we found no study of sour mix itself. The mixer earns the comparison through what is in the bottle. USDA lists bottled whiskey sour mix at 87 calories and 21.4 g of sugars per 3.5 oz (100 g), nearly all of its energy, in an old reference record where brands differ between corn syrup and cane sugar. One fluid ounce, about 32 g, adds roughly 28 calories and 7 g of sugar before any whiskey goes in, a figure recalculated from the 100 g values, and recipes call for 1 to 3 ounces per drink.

The numbers, per 3.5 oz (100 g)

How much is actually in it

• USDA lists bottled whiskey sour mix at 87 calories and 21.4 g of sugars per 3.5 oz (100 g), nearly all of its energy, with 102 mg of sodium. — USDA FoodData Central SR Legacy records Beverages, Whiskey sour mix, bottled and powder Evidence E source
  Bottled per 3.5 oz (100 g): 87 calories, sugars 21.4 g, sodium 102 mg, vitamin C 2.7 mg; powder per 3.5 oz (100 g): 383 calories, sugars 97.3 g, sodium 274 mg, calcium 272 mg

What a real portion looks like

• One fluid ounce of bottled sour mix, about 32 g, adds roughly 28 calories and 7 g of sugar to a drink before any whiskey. — USDA SR Legacy portion 1 fl oz = 32.3 g for Beverages, Whiskey sour mix, bottled Evidence E source
  Per 1 fl oz (32.3 g): about 28 calories and 6.9 g sugars, recalculated from 100 g values; a prepared whiskey sour is 149 calories per 3.5 oz (100 g) (FDC 173662)

What your body absorbs

• In a randomized crossover study of 12 adults, vodka with a diet mixer gave a higher peak breath alcohol than with a sugared mixer, 38.3 versus 34.8 ug/100 mL. — 12 healthy adults aged 19-64, 0.5 g/kg vodka with regular coke (35 g sugar per 330 mL) or diet coke, two sessions (n = 12) Evidence B source
  Peak BrAC 38.3 +/- 9.45 vs 34.8 +/- 6.82 ug/100 mL; gastric half-emptying 100 vs 111 min with diet vs regular
• In 9 men, drinking a small dose of alcohol after a meal cut peak blood alcohol from 30.8 mg/dL fasting to 13 to 18 mg/dL, whatever the meal's mix of fat, carbohydrate or protein. — 9 healthy men, ethanol 0.30 g/kg, five randomized crossover occasions (n = 9) Evidence B source
  Peak BAC 16.6, 17.7 and 13.3 mg/dL after fat, carbohydrate and protein meals versus 30.8 mg/dL fasting
• In a crossover trial of 20 adults, eating a food bar or a meal before vodka cut alcohol absorption by about 30% compared with drinking fasted. — 20 healthy adults, vodka 0.35 g/kg men and 0.30 g/kg women, four meal conditions (n = 20) Evidence B source
  Relative bioavailability (AUC) about 30% lower with food bar or control meal than fasting

What it does to your health

• In randomized trials in adults, adding sugar-sweetened drinks to the diet led to 1.8 lb (0.83 kg) more weight gain than noncaloric controls. — Adults in 16 RCTs (n = 1343) and 21 cohorts; children in 8 RCTs and 40 cohorts (n = 1343) Evidence A source
  Adults RCT addition MD +1.8 lb (95% CI 1 to 2.6; metric: 0.83 kg, 0.47 to 1.19); subtraction MD -1.1 lb (-1.5 to -0.71; metric: -0.49 kg, -0.66 to -0.32)

Safety, limits and interactions

• A Cochrane review found six randomized trials in people with asthma, and in none did tartrazine challenge or avoidance change asthma outcomes. — Adults and children with asthma or allergic asthma, including aspirin-sensitive Evidence A source
  No significant change in asthma outcomes in any included RCT; results could not be pooled

What people believe that the data does not support

• No study in the corpus tests sour mix itself, and neither US 21 CFR 101 nor the EU register holds a claim for it, so its health picture is built from sugar drinks and alcohol research. — PubMed corpus snapshot pubmed:469432; 21 CFR 101; EU Register snapshot 2026-09-21; FNDDS; CoFID; USDA Foundation Evidence E source
  0 corpus records for whiskey sour mix or sour mix; 0 register claims; no FNDDS, CoFID or Foundation entry

The bottom line

The sugar does change how the alcohol arrives. In a randomized crossover study of 12 adults drinking vodka, a diet mixer gave a higher peak breath alcohol than a sugared one, 38.3 against 34.8 ug/100 mL, in a small trial that used coke rather than sour mix. Read that as sugar slowing alcohol uptake. It does not make drinking safe. Food was tested separately. In 9 men given a low dose of alcohol, a meal cut peak blood alcohol from 30.8 mg/dL fasting to between 13 and 18 mg/dL, whatever the meal was mostly made of. In 20 adults, a meal or a food bar before vodka cut alcohol absorption by about 30 percent, measured by breathalyser over 90 minutes. The safety evidence we hold is about a yellow dye. A Cochrane review found six randomized trials in adults and children with asthma, and in none did a tartrazine challenge or a tartrazine-free diet change asthma outcomes. The trials were small and old and could not be pooled, and the review notes that the few people with proven sensitivity may still benefit from avoiding it. We have no card showing which colors a given sour mix contains, so the label is the place to check. Our sources say nothing about sour mix in pregnancy, in children or alongside medicines. Neither the US nor the EU register holds a health claim for sour mix. Whether the mixer changes how much people drink, or how the next morning feels, is a question we found no study of.

Sources

1. wsmx-r4-01 · USDA FoodData Central, dataset
   Beverages, Whiskey sour mix, bottled (FDC 174811, SR Legacy, Beverages): energy 87 kcal per 100 g; sugars 21.4 g; carbohydrate 21.4 g; sodium 102 mg; vitamin C 2.7 mg. Beverages, Whiskey sour mix, powder (FDC 173163): energy 383 kcal; sugars 97.3 g; sodium 274 mg; calcium 272 mg
   USDA FoodData Central, SR Legacy, FDC 174811 and 173163 · checked 2026-10-02
2. wsmx-r4-02 · USDA FoodData Central, dataset
   Beverages, Whiskey sour mix, bottled (FDC 174811): portion 1 fl oz = 32.3 g; energy 87 kcal and sugars 21.4 g per 100 g. Alcoholic beverage, whiskey sour (FDC 173662): portion 1 fl oz = 30.4 g; energy 149 kcal per 100 g
   USDA FoodData Central, SR Legacy, FDC 174811 and 173662 · checked 2026-10-02
3. wsmx-r4-03 · RCT crossover
   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
   Toxicol Lett, 2025 · checked 2026-10-02
4. wsmx-r4-04 · RCT crossover
   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 2026-10-02
5. wsmx-r4-05 · RCT crossover
   Both OFBAR and the control meal reduced alcohol absorption by approximately 30% compared with fasting, as assessed by relative bioavailability based on area under curve (AUC0-t).
   An Acad Bras Cienc, 2026 · checked 2026-10-02
6. wsmx-r4-06 · meta-analysis
   In adults, randomization to addition of SSBs to the diet led to greater body weight gain (MD: 0.83 kg; 95% CI: 0.47 kg, 1.19 kg), and subtraction of SSBs led to weight loss (MD: -0.49 kg; 95% CI: -0.66 kg, -0.32 kg) compared with the control groups.
   Am J Clin Nutr, 2023 · checked 2026-10-02
7. wsmx-r4-07 · Cochrane review
   In none of the studies did tartrazine challenge or avoidance in diet significantly alter asthma outcomes.
   Cochrane Database Syst Rev, 2001 · checked 2026-10-02
8. wsmx-r4-09 · evidence gap
   corpus_search.py whiskey sour mix: 0; claims_search.py and euclaims_search.py whiskey sour mix, sour mix: nothing; fndds_search, cofid_search, variability_search: nothing
   Bioma corpus and register search, 2026-10-02 · checked 2026-10-02