Vegan Gelatin Substitutes: 7 Plant-Based Options That Actually Work

Gelatin is an animal product made from collagen, so it is not vegan or vegetarian. The good news is that several plant-based gelling agents can replace it depending on the recipe. The simplest option by far is the Simply Desserts Gelatin Alternative, the only one calibrated as a true 1-for-1 swap for a gelatin sachet. Among the loose DIY agents, agar-agar is the closest match and the best all-rounder; carrageenan, pectin, cornstarch, arrowroot, xanthan gum, and guar gum each have their place too. Below is a working baker's guide to all seven, in order from most useful to most specialized, with a side-by-side comparison and a decision tree at the end.

Why people look for vegan gelatin substitutes

Gelatin is in more foods than most people realize: jello, marshmallows, gummy candies, panna cotta, mousse, many yogurts, some ice creams, capsule supplements, and a long list of shelf-stable desserts. For anyone eating vegan or vegetarian, replacing gelatin is a regular kitchen task. Religious dietary law adds another layer: kosher kitchens and halal kitchens both need a gelatin substitute when the source is uncertain.

Each of the seven plant-based options below does one part of gelatin's job. None of them does the whole job perfectly, which is why agar-agar, the closest functional match, gets the most space in this guide, and why the shortcut at the end, the Simply Desserts Gelatin Alternative, is the easiest route of all if you would rather skip the measuring entirely.

1. Agar-agar: the closest plant-based match (with a catch)

Agar-agar is a gelling agent extracted from red seaweed (mainly Gelidium and Gracilaria species). It is the closest plant-based match to gelatin and the substitute most professional and home bakers reach for first. It dissolves in boiling liquid, sets as it cools, and holds firm at room temperature, actually outperforming gelatin on heat stability. The catch is that it is not a clean swap: it needs converting for every recipe and a hard boil to set.

Agar is far more concentrated than gelatin, so a direct sachet-for-sachet swap sets rubbery: you have to convert each recipe (and the amount shifts again between powder and flakes), then boil it hard to activate. Get the conversion wrong and it sets like rubber or not at all. Agar works in cheesecake, panna cotta, fruit jellies, mousse, jelly desserts, and almost any classic gelatin-style recipe, but the conversion math is the catch. If you would rather skip it, see the shortcut at the end of this guide.

2. Carrageenan

Carrageenan is also extracted from red seaweed, but from different species than agar and through a different process. It produces a softer, more elastic set than agar and is particularly good with dairy and dairy-replacement liquids, which is why it shows up in commercial ice cream, plant milks, and creamy desserts.

Carrageenan comes in three main forms (kappa, iota, lambda) with different setting properties. Kappa sets firm with dairy. Iota gives a softer, more elastic set. Lambda thickens but does not gel. For home cooks, kappa-carrageenan is the most useful, used at about 0.5-1.5% of the total liquid weight.

3. Pectin

Pectin comes from fruit peels (citrus and apple) and is the standard gelling agent for jams, jellies, and fruit preserves. It needs sugar and acid to set, which makes it brilliant for fruit-heavy recipes and less useful for unsweetened ones. See our pectin vs gelatin guide for the full comparison.

Use pectin when the recipe already has plenty of sugar and fruit. Avoid it when you need a gel with no added sweetness or in a non-acidic base. Standard high-methoxyl pectin needs about 60% sugar; low-methoxyl pectin works with less sugar but needs calcium to activate.

4. Cornstarch

Cornstarch is a thickener rather than a gelling agent: it gives a smooth, opaque, pudding-like texture rather than a firm gel. It is the traditional setting agent for classic American stovetop puddings (the kind you make from scratch with milk, sugar, cornstarch, and flavor) and works well in custards, sauces, and fillings.

Use about 2 tablespoons of cornstarch per cup of liquid for a pudding-style thickness. Cornstarch needs to come to a boil to activate fully and will go cloudy until it does. It does not produce a sliceable gel, so it is not a true gelatin replacement, but for American-style pudding, it is the right tool.

5. Arrowroot

Arrowroot is a starch extracted from the tropical arrowroot plant. It behaves much like cornstarch but produces a clearer, glossier finish, making it a better choice for fruit glazes and clear sauces. It is also a useful gluten-free, grain-free thickener for restricted diets.

Use about 1.5 teaspoons of arrowroot per tablespoon of cornstarch the recipe calls for. Arrowroot loses thickening power if overheated or boiled for too long, so add it at the end and warm gently.

6. Xanthan gum

Xanthan gum is produced by bacterial fermentation of sugars. It is not a gelling agent: it is a thickener and stabilizer. It is widely used in gluten-free baking, salad dressings, and ice cream to add body and prevent separation, often in combination with other gums.

Use sparingly: about 1/4 teaspoon of xanthan gum per cup of liquid is usually plenty. Too much and the texture turns slimy. Xanthan does not replace gelatin in a jello-style recipe, but it can support agar or carrageenan in plant-based mousse and stabilize creamy fillings.

7. Guar gum

Guar gum is extracted from the guar bean, a legume native to India. Like xanthan, it is a thickener and stabilizer rather than a true gelling agent. It is often used alongside other gums in commercial vegan dairy and ice cream products to control texture and prevent ice crystal formation.

Use about 1/2 teaspoon of guar gum per cup of liquid as a thickener. It works at lower temperatures than cornstarch and arrowroot, so it is useful in cold preparations like vegan sour cream and mousse bases.

Which one should you use?

A decision tree, by recipe type:

• Cheesecake, panna cotta, fruit jelly, mousse, classic jelly dessert → agar-agar (the all-rounder).
• Ice cream, dairy-alternative dessert, creamy set → carrageenan (with agar for firmer set).
• Jam, fruit jelly with high sugar, glaze for tart → pectin.
• Classic American stovetop pudding, custard, sauce → cornstarch.
• Clear sauce, fruit glaze, gluten-free thickener → arrowroot.
• Gluten-free baking, dressing, stabilizing vegan dairy → xanthan or guar gum (small amount, alongside other thickeners).

Every option above asks you to measure and convert. If you want the closest possible match to a traditional gelatin sachet with the math already done for you, the Simply Desserts Gelatin Alternative is the answer. It is not agar on its own: it is a concentrated multi-ingredient plant-based blend, pre-calibrated so one sachet replaces one sachet of unflavored gelatin in any classic recipe, no ratios required. Circle K certified kosher, certified gluten-free, sugar-free, non-GMO verified.

The shortcut: one sachet, no measuring

If you would rather not measure or convert anything at all, the Simply Desserts Gelatin Alternative does the math for you. It is a concentrated multi-ingredient plant-based blend with no animal collagen, pre-calibrated so one 2g sachet does the work of a 7g sachet of traditional unflavored gelatin in any classic recipe.

It is certified kosher by Circle K, certified gluten-free, sugar-free, and non-GMO verified, and it works in cheesecake, panna cotta, fruit jellies, mousse, and jelly desserts. No conversion table, no rubbery set, no animal gelatin: just the same swap you already know, with our plant-based blend in place of the traditional gelatin sachet.