Grenadine isn’t toxic, but it’s essentially liquid sugar with a few additives that deserve a closer look. A single one-ounce pour of Rose’s grenadine, one of the most popular brands, contains 80 calories and 20 grams of sugar. That’s roughly the same sugar density as a can of soda, packed into a much smaller volume.
Whether grenadine is “bad” for you depends on how much you use and which brand you buy. The ingredients vary widely between products, and so do the potential health concerns.
What’s Actually in Grenadine
Traditional grenadine is pomegranate syrup. The word comes from “grenade,” the French word for pomegranate. But most commercial grenadine sold today bears little resemblance to that original recipe. Many mass-market versions are primarily high-fructose corn syrup, water, citric acid, and artificial flavors, with Red 40 providing the signature red color. Some contain no pomegranate at all.
Higher-end brands like Collins use real sugar and pomegranate juice concentrate instead of corn syrup, coloring with purple carrot extract rather than synthetic dyes. Their ingredient list also includes preservatives like potassium sorbate, sodium benzoate, and sodium metabisulfite. These differences matter, because the health concerns shift depending on which version sits in your cabinet.
The Sugar Problem
Sugar is the biggest health issue with grenadine, regardless of brand. At 20 grams of sugar per ounce, even a modest cocktail or Shirley Temple can add a significant dose. For context, the American Heart Association recommends no more than 25 grams of added sugar per day for women and 36 grams for men. A single drink with a generous pour of grenadine can eat up most of that allowance before you’ve touched any other food.
If you’re wondering whether high-fructose corn syrup versions are worse than cane sugar versions, the metabolic difference is smaller than you might expect. A systematic review and meta-analysis published in Frontiers in Nutrition found no significant difference between HFCS and regular sugar (sucrose) in terms of their effects on weight, BMI, fat mass, blood sugar, blood pressure, triglycerides, or cholesterol. Both are problematic in large amounts. The type of sweetener matters less than the sheer quantity, and grenadine delivers a lot of it in a small serving.
Red 40 and Artificial Colors
Cheaper grenadine brands get their bright red color from Red 40 (also called Allura Red), one of the most widely used synthetic food dyes. For most adults, this isn’t a major concern at typical consumption levels. But for certain groups, it can cause real problems.
Children with ADHD appear to be particularly sensitive. Red 40 is associated with increased hyperactivity, irritability, and behavioral changes in kids with attention-deficit disorders. People with dye sensitivities can also react to it: the compound triggers histamine release in sensitive individuals, potentially causing headaches, hives, skin irritation, asthma flare-ups, sneezing, and watery eyes. If you or your child experience any of these symptoms after consuming brightly colored foods or drinks, grenadine with synthetic dyes is worth avoiding.
Brands that use vegetable-based colorants like purple carrot extract sidestep this issue entirely.
Preservatives Worth Knowing About
Most commercial grenadine contains sodium benzoate as a preservative. Officially, it’s considered safe at low doses, with an acceptable daily intake of up to 5 milligrams per kilogram of body weight. The amount in a serving of grenadine falls well within that limit for occasional use.
That said, sodium benzoate has raised some flags in research. In acidic liquids (and grenadine is acidic, thanks to citric acid), sodium benzoate can convert into benzene through a chemical reaction called decarboxylation. This is especially likely when vitamin C is also present. Benzene is a known carcinogen. Lab studies on human cells have shown that sodium benzoate can cause DNA damage, chromosome breakage, and oxidative stress. Animal studies have linked high doses to adverse effects on the liver, kidneys, immune system, and fertility.
One study gave beverages containing 45 milligrams per day of benzoate preservatives to three-year-old children and observed an increase in hyperactivity. This overlaps with the concerns about Red 40, meaning some grenadine brands deliver a double dose of ingredients linked to behavioral changes in kids.
For adults having the occasional cocktail, the preservative exposure from grenadine is minimal. But if you’re mixing Shirley Temples regularly for children, it’s worth choosing a brand with fewer additives or making your own.
Grenadine in Cocktails vs. on Its Own
Most people don’t drink grenadine straight. It shows up in small amounts in cocktails like the Tequila Sunrise, Jack Rose, or Hurricane, and in non-alcoholic drinks like Shirley Temples and Roy Rogers. A typical cocktail uses about half an ounce, which cuts the sugar to roughly 10 grams per drink. That’s more manageable, though it still adds up across multiple rounds.
The concern is greater for non-alcoholic uses, particularly drinks made for kids. A Shirley Temple might use a full ounce or more of grenadine mixed with soda, stacking grenadine’s sugar on top of the sugar already in the soft drink. A single glass can easily exceed 40 grams of added sugar.
Healthier Alternatives
If you like grenadine’s flavor but want to reduce the downsides, you have a few options. Making your own is straightforward: simmer equal parts pomegranate juice and sugar until it thickens into a syrup. You control exactly how much sugar goes in, there are no preservatives, and you get actual pomegranate antioxidants in the process. Some people cut the sugar further by using a 2:1 juice-to-sugar ratio, which produces a thinner but still flavorful syrup that keeps in the refrigerator for two to three weeks.
If buying commercial, look for brands that list pomegranate juice as an actual ingredient (not just “natural flavor”), use real sugar instead of corn syrup, and color with fruit or vegetable extracts rather than Red 40. You’ll still get plenty of sugar, but you’ll skip the synthetic dyes and minimize the additives.
Pomegranate molasses, a Middle Eastern pantry staple, offers another option. It’s thicker and more tart than grenadine, with a deeper, less sweet flavor. It works well in cocktails that benefit from a bit of tartness and contains significantly less sugar per serving.