Amaranth (Amaranthus species) is technically a pseudo-grain (seed of a leafy plant), not a true grain – related to quinoa, related botanically to spinach and beets. Gluten-free. Per ½ cup cooked (125 g) – 125 calories, 23 g carbohydrate, 3 g fiber (net 20 g), 5 g protein, 2 g fat (high omega-6/omega-3 ratio). Compared to white rice – more protein, more fiber, more minerals. Glycemic index moderate (around 70 for plain cooked) – similar to quinoa. Complete protein profile – all essential amino acids; notably high lysine (limiting amino acid in most grains – rare for plant foods); also contains methionine, leucine. Key benefits for diabetes – higher protein content than rice/wheat means slower glucose response per gram of carb; gluten-free; ancient grain (rediscovered after Aztec era); calcium (high for grain – 60 mg per ½ cup), iron, magnesium, manganese, phytochemicals. Use ½ cup cooked portion paired with protein and non-starchy vegetables. Versatile applications – hot porridge (cook 1 cup amaranth in 3 cups water/milk for about 20 minutes; thicker than oatmeal; add cinnamon, nuts, berries); side dish (cook 1 cup in 2½ cups broth, 15-20 minutes); salad (cool cooked amaranth; mix with vegetables, herbs, vinaigrette); soup thickener (2-3 tbsp uncooked amaranth in soup); popped amaranth (dry-heat in skillet; pops like popcorn but smaller; use as cereal, granola, yogurt topping); amaranth flour (use in baking; combine with other flours; add to pancakes, muffins); energy bars (homemade with popped amaranth and seeds); Mexican alegría (traditional candy with popped amaranth and honey – limit due to honey); Indian rajgira flour for chapati or ladoo; in burgers/patties for binding. Both amaranth and quinoa are gluten-free pseudo-grains with complete protein; ancient Latin American origin; high mineral content. Amaranth smaller, porridge-like when cooked, Aztec origin, slightly higher lysine, pops well. Quinoa larger, fluffier separated grains, Inca origin, doesn’t pop the same way. Both excellent diabetes choices and substitute in many recipes.
Amaranth Nutrition (½ cup cooked)
| Nutrient | Amount |
|---|---|
| Calories | 125 |
| Carbohydrate | 23 g |
| Fiber | 3 g |
| Net carbs | 20 g |
| Protein | 5 g (complete protein) |
| Fat | 2 g |
| Calcium | 60 mg (5% DV — high for grain) |
| Iron | 3 mg (15% DV) |
| Magnesium | 80 mg (20% DV) |
| GI (cooked) | ~70 (moderate) |
Amaranth vs Quinoa Comparison
| Feature | Amaranth | Quinoa |
|---|---|---|
| Origin | Aztec | Inca |
| Size | Smaller | Larger |
| Texture cooked | Porridge-like, thicker | Fluffy, separated |
| Cook time | 15-25 minutes | 15-20 minutes |
| Protein | 5 g per ½ cup | 4 g per ½ cup |
| Carbs | 23 g per ½ cup | 20 g per ½ cup |
| Fiber | 3 g per ½ cup | 3 g per ½ cup |
| Lysine | Higher (notable) | Good |
| Best uses | Porridge, thickener, pop | Rice substitute, salad |
Diabetes-Friendly Applications
- Hot breakfast porridge with cinnamon, walnuts, berries, Greek yogurt.
- Bowl meal – amaranth (½ cup) + grilled protein + large salad + vegetables.
- Stuffed peppers with amaranth, ground meat, vegetables.
- Mexican-style amaranth bowl – black beans, chicken, peppers, salsa, avocado.
- Soup with amaranth, lean meat, abundant vegetables.
- Popped amaranth as yogurt or salad topping (small amount).
- Amaranth in salad with cucumber, tomato, feta, vinaigrette.
- Vegetable amaranth pilaf (mixed with mushrooms, peppers, onions).
- Amaranth flour in 50/50 blend with whole wheat for baking.
- Amaranth burgers (with vegetables and beans).
- Indian rajgira chapati (gluten-free flatbread).
Cooking Method
- Basic ratio: 1 cup amaranth to 2½-3 cups liquid.
- Bring to boil, reduce heat, cover.
- Simmer 15-25 minutes until liquid absorbed.
- Let stand 10 minutes covered.
- For porridge: 1:3 ratio, longer cook time.
- For side dish: 1:2½ ratio, shorter cook time.
- Toast amaranth in dry pan first for nuttier flavor.
- Pop in dry skillet for popcorn-like snack.
- Can cook in rice cooker (similar to brown rice setting).
Where to Find Amaranth
- Health food stores – Whole Foods, Sprouts, Natural Grocers.
- Latin American grocery stores (especially Mexican).
- Indian grocery stores (rajgira).
- Online retailers (Amazon, Bob’s Red Mill, Nuts.com).
- Some mainstream grocers in natural foods section.
- Amaranth flour also available.
- Popped amaranth at some specialty stores.
- Cost: $4-8 per pound; flour similar.
The Bottom Line
Amaranth (Amaranthus species) is technically a pseudo-grain (seed of a leafy plant), not a true grain – related to quinoa, related botanically to spinach and beets. Gluten-free. Per ½ cup cooked (125 g) – 125 calories, 23 g carbohydrate, 3 g fiber (net 20 g), 5 g protein, 2 g fat (high omega-6/omega-3 ratio). Compared to white rice – more protein, more fiber, more minerals. Glycemic index moderate (around 70 for plain cooked) – similar to quinoa. Complete protein profile – all essential amino acids; notably high lysine (limiting amino acid in most grains – rare for plant foods); also contains methionine, leucine. Key benefits for diabetes – higher protein content than rice/wheat means slower glucose response per gram of carb; gluten-free; ancient grain (rediscovered after Aztec era); calcium (high for grain – 60 mg per ½ cup), iron, magnesium, manganese, phytochemicals. Use ½ cup cooked portion paired with protein and non-starchy vegetables. Versatile applications – hot porridge (cook 1 cup amaranth in 3 cups water/milk; thicker than oatmeal; add cinnamon, nuts, berries); side dish (cook 1 cup in 2½ cups broth); salad (cool cooked amaranth; mix with vegetables, herbs, vinaigrette); soup thickener (2-3 tbsp uncooked amaranth in soup); popped amaranth (dry-heat in skillet; pops like popcorn but smaller; use as cereal, granola, yogurt topping); amaranth flour (use in baking; combine with other flours – 50/50 with whole wheat works well); energy bars (homemade with popped amaranth and seeds); Mexican alegría (traditional candy with popped amaranth and honey – limit due to honey); Mexican atole de amaranto (traditional beverage); Indian rajgira flour for chapati and ladoo; in burgers/patties for binding (replaces some breadcrumbs); stuffing for peppers, mushrooms. Both amaranth and quinoa are gluten-free pseudo-grains; complete protein; ancient Latin American origin; high mineral content. Differences – amaranth Aztec origin, smaller, porridge-like cooked, slightly higher lysine, pops; quinoa Inca origin, larger, fluffier separated grains, doesn’t pop similarly. Both excellent diabetes choices; can substitute in many recipes. Quinoa more widely available in U.S.; amaranth at health food stores, online, Latin American/Indian groceries. Best diabetes uses – hot breakfast porridge with cinnamon, walnuts, berries (protein source like Greek yogurt or eggs on side); bowl meal with amaranth base, grilled protein, large salad with vegetables; stuffed peppers; Mexican-style amaranth bowl with black beans, chicken, peppers, salsa, avocado; soup with amaranth, lean meat, vegetables; popped amaranth as yogurt or salad topping. Limit – large servings of amaranth-based porridges without protein; sweet amaranth dishes (alegría, ladoo with palm sugar); amaranth-only meals. Like other grains, portion control critical – it’s still mostly carbohydrate. For adults with type 2 diabetes – amaranth is a higher-protein, gluten-free pseudo-grain alternative to rice and wheat; portion to ½ cup cooked and pair with protein and vegetables. See our broader diabetes diet guide for context.
