Not all noodles land in the same place nutritionally. A cup of shirataki has roughly 20 calories and no digestible carbs. A cup of instant ramen has 370 calories and 1,760mg of sodium — 77% of the American Heart Association's recommended daily limit in a single packet. Knowing where each noodle type sits helps you make better choices without abandoning the foods you actually want to eat.
The eight noodle types below cover most of what you'll find at US grocery stores and Asian markets. Data is sourced from USDA FoodData Central (Standard Release and Branded Foods) and verified manufacturer nutrition labels where USDA entries were unavailable. For custom macros based on your exact portion size and toppings, use the Noodle Nutrition Calculator.
Healthiest Noodles at a Glance
All values are per 1 cup cooked (approximately 140–176g depending on noodle type). Sodium figures reflect plain cooked noodles with no sauce or seasoning added.
| Rank | Noodle | Calories | Carbs (g) | Fiber (g) | Protein (g) | Sodium (mg) |
|---|---|---|---|---|---|---|
| 1 | Shirataki (konjac) | 20 | 6 | 4 | 0 | 20 |
| 2 | Soba (100% buckwheat) | 113 | 24 | ~2 | 5.8 | 68 |
| 3 | Rice noodles | 190 | 42 | 1.8 | 3.2 | 33 |
| 4 | Whole wheat spaghetti | 172 | 37 | 6.3 | 7.4 | 5 |
| 5 | Udon | 210 | 43 | 2 | 8 | 410 |
| 6 | Glass noodles (mung bean) | ~190 | ~46 | ~1 | ~0.5 | ~20 |
| 7 | Egg noodles | 221 | 40 | 1.9 | 7.3 | 8 |
| 8 | Instant ramen (packet) | 370 | 52 | 3 | 8 | 1,760 |
Sources: USDA FoodData Central entries #168907 (soba), #168914 (rice noodles), #169732 (egg noodles); USDA Branded Foods for udon (Nasoya, #529946) and instant ramen (Nissin Original, #1041749); House Foods shirataki label; glass noodle values estimated from USDA FNDDS mung bean data. Whole wheat spaghetti: USDA SR Legacy.
The ranking weights lower calories, lower sodium, and higher fiber/protein as healthier. A high ranking here does not mean a noodle is superior for every dietary need — a diabetic monitoring blood sugar has different priorities than someone tracking sodium for blood pressure. Use the Noodle Nutrition Calculator to model your specific goals.
How We Ranked Them
The ranking uses four criteria, in this order:
- Calories per cup cooked — primary differentiator at the top and bottom of the list
- Sodium per cup cooked — most people exceed the AHA's 2,300mg/day limit before dinner; noodle choice matters
- Fiber — slows glucose absorption; associated with satiety
- Protein — higher protein per calorie means more satiety per serving
The serving standard is 1 cup cooked (approximately 140–160g), which maps to roughly 2oz dry for most wheat and rice noodles. "Healthiest" is a narrower claim than it looks: this ranking applies to the noodles themselves, without sauce, broth, or toppings. A ramen bowl with tonkotsu broth adds 700–900mg of sodium before any seasoning packet touches it.
One important caveat: noodle type matters less than what you build around it. A shirataki stir-fry drenched in soy sauce can exceed 1,000mg sodium. A tonkotsu ramen made with less broth and lean toppings can fit a balanced diet. Start with the noodle; don't stop there.
1. Shirataki (Konjac) — Lowest Calorie, Lowest Carb
20 calories | 6g carbs | 4g fiber | 0g protein | 20mg sodium per cup
Affiliate disclosure: This section references konjac noodle brands. NoodleDex may earn a small commission on qualifying purchases at no extra cost to you.
Shirataki noodles sit at the extreme low end of the calorie range because of what they are made from: glucomannan, a water-soluble dietary fiber extracted from the konjac yam (Amorphophallus konjac). The finished noodle is 97% water and 3% glucomannan — the fiber passes through the digestive tract largely unabsorbed, which is why the calorie count is near zero.
According to a Cleveland Clinic review, a 1-cup serving provides approximately 20 calories, 6g of total carbohydrate, and 4–6g of fiber — meaning net digestible carbohydrates are under 2g. There is no meaningful protein, fat, or sodium in plain shirataki.
The practical tradeoff is texture. Shirataki has a slick, slightly rubbery chew that is nothing like wheat pasta. Dry-frying the noodles in a pan for 2–3 minutes before adding sauce removes excess water and noticeably firms the texture. Tofu shirataki — a blend of konjac and tofu — runs slightly higher in calories (~40 per cup) and has a softer bite that most people find easier to work with as a starting point.
Best uses: stir-fries, Korean hot pots, cold sesame noodle dishes where sauce clings rather than pools. Glucomannan fiber slows gastric emptying and reduces postprandial glucose response — shirataki is the most glycemic-friendly option on this list.
2. Soba (100% Buckwheat) — Best Macros Among Real Noodles
113 calories | 24g carbs | ~2g fiber | 5.8g protein | 68mg sodium per cup
Source: USDA FoodData Central #168907, Cooked Japanese Soba Noodles (Buckwheat), 1 cup (114g).
At 113 calories per cup with 5.8g protein and 68mg sodium, soba has the strongest macro profile of any traditional noodle on this list. That combination — meaningful protein, moderate carbs, very low sodium — is what puts it here above rice noodles and udon despite comparable carb counts.
The protein comes from buckwheat, which despite its name contains no wheat. Buckwheat is a seed from a broadleaf plant (Fagopyrum esculentum), related to rhubarb, not grass. Its protein profile includes all essential amino acids — unusual for a grain-adjacent food — and it contains rutin, a flavonoid antioxidant linked to cardiovascular support.
The critical label caveat: most soba sold in US grocery stores is 70–80% wheat flour with only 20–30% buckwheat. These blended varieties have a softer texture but a substantially different nutritional profile, and they are not gluten-free. The Celiac Disease Foundation lists buckwheat as a naturally gluten-free grain, but only pure-buckwheat soba made in a dedicated gluten-free facility is safe for people with celiac disease. Look for "Ingredients: Buckwheat flour, water" with no wheat listed. Eden Foods 100% Buckwheat Soba and King Soba Organic 100% Buckwheat are two certified options.
For a deeper look at soba's origins, preparation, and how to cook it properly, see the soba noodle guide.
3. Rice Noodles — Gluten-Free and Low Sodium
190 calories | 42g carbs | 1.8g fiber | 3.2g protein | 33mg sodium per cup
Source: USDA FoodData Central #168914, Rice Noodles (Cooked), 1 cup (176g).
33mg sodium per cup is one of the lowest figures on this list, and rice noodles carry it naturally — no processing adjustment required. That makes them a practical swap for anyone managing hypertension or eating gluten-free for celiac disease or non-celiac gluten sensitivity.
The tradeoff is clear: 190 calories with only 1.8g fiber and 3.2g protein. Compared to whole wheat pasta or soba, rice noodles won't slow much down. They work best as the base for a protein-forward bowl — shrimp, tofu, or chicken carrying the nutritional load while the noodle handles texture and volume.
Brown rice noodles, available at most natural food stores, add slightly more fiber and B vitamins by retaining the bran. They also hold up better in stir-fries before turning gummy, which makes them better suited for dry-style dishes than broth-based soups.
Rice noodles are the dominant noodle in Vietnamese pho, Thai pad see ew, and Filipino pancit — flat wide varieties and thin vermicelli both fall in the same nutritional range.
4. Whole Wheat Spaghetti — The Fiber Leader
172 calories | 37g carbs | 6.3g fiber | 7.4g protein | 5mg sodium per cup
Source: USDA SR Legacy, Spaghetti, cooked, whole wheat, 1 cup (140g).
6.3g fiber per cup is the highest on this entire list. That is more than three times the fiber in rice noodles, and more than egg noodles, udon, or instant ramen. It comes from intact wheat bran, which slows starch digestion and lowers the glycemic response compared to refined white pasta.
This is where the cooling effect becomes relevant. Research published in Nutrients (2026) found that pasta cooled for 24 hours at 4°C and then reheated increased resistant starch content and produced a significantly lower postprandial glucose response in people with Type 1 diabetes — maximum glycemia dropped from 12.6 to 10.7 mmol/L. Cooling gelatinized starch promotes retrogradation: starch molecules recrystallize into a form that resists enzymatic digestion in the small intestine and instead ferments in the colon. Meal-prep noodles, eaten cold or reheated the next day, carry a measurable glycemic benefit over freshly cooked noodles. See the study at MDPI Nutrients.
At 5mg sodium per cup (assuming no salt added to the cooking water) and 7.4g protein, whole wheat spaghetti also outperforms soba on protein and doubles rice noodles. For blood pressure management specifically, the sodium figure is hard to beat among wheat-based options.
5. Udon — Higher Sodium, Higher Protein
210 calories | 43g carbs | 2g fiber | 8g protein | 410mg sodium per cup
Source: USDA Branded Foods #529946, Nasoya Japanese Udon Noodles, per serving (78g) — extrapolated to 1-cup equivalent.
Udon is made from three ingredients: wheat flour, water, and salt. The 410mg sodium per cup comes from that salt — it is built into the dough itself, not added during cooking. Plain cooked wheat pasta runs under 10mg sodium. Udon's 410mg is a meaningful starting point before any broth or sauce is added.
8g protein per cup is the highest in positions 1 through 5, and the large thick noodles hold well in both hot and cold preparations. If you are tracking protein, udon delivers. If you are tracking sodium, start with fresh udon from an Asian market rather than dried — some dried varieties add brine during packaging. Rinsing boiled udon before serving in cold dishes removes surface starch and reduces residual sodium slightly.
For a direct comparison of ramen versus udon nutritional profiles and culinary uses, see ramen vs udon.
6. Glass Noodles (Mung Bean) — Low Sodium, Low Everything
~190 calories | ~46g carbs | ~1g fiber | ~0.5g protein | ~20mg sodium per cup
Source: USDA FNDDS mung bean glass noodles; values estimated from cooked 100g data scaled to 1-cup (176g) equivalent.
Glass noodles (also called cellophane noodles, bean thread noodles, or — when made from sweet potato starch — dangmyeon) are made from mung bean or sweet potato starch and water. They are naturally gluten-free. The nutrition profile is sparse: low in protein, low in fiber, and primarily fast-digesting carbohydrates.
That glycemic speed is a real drawback. Unlike soba's slower carb release or whole wheat pasta's fiber buffer, glass noodles deliver carbohydrates with little to slow absorption. Where they earn their place in the bowl is texture — they absorb sauces well and add chew while vegetables and proteins carry the nutritional load.
Sweet potato glass noodles (used in Korean japchae) run approximately 230 calories per cup cooked. The surrounding ingredients matter far more than the noodle itself: japchae with sesame oil, beef, and soy sauce has considerably different macros than a vegetable stir-fry version. The one number that stays consistently low across preparations is sodium — 20mg per cup makes glass noodles one of the cleanest bases on the list by that measure.
7. Egg Noodles — Moderate Across the Board
221 calories | 40g carbs | 1.9g fiber | 7.3g protein | 8mg sodium per cup
Source: USDA FoodData Central #169732, Cooked Egg Noodles, 1 cup (160g).
221 calories and 8mg sodium — egg noodles are nutritionally unremarkable in most categories, which is not a knock against them. They are enriched wheat flour noodles made with whole eggs; the egg adds protein and fat while giving the noodle a richer flavor and more golden color than plain pasta.
The 7.3g protein per cup is solid, the fiber (1.9g) is not. They work well in noodle soups, stroganoff, and lo mein–style stir-fries. Compared to ramen noodles (the alkaline wheat variety used in ramen shops), egg noodles have more fat and cholesterol from the egg yolks but significantly lower sodium than any broth-based ramen preparation. Not gluten-free.
The Worst Offender: Instant Ramen
370 calories | 52g carbs | 3g fiber | 8g protein | 1,760mg sodium per packet
Source: USDA Branded Foods #1041749, Nissin Original Soy Sauce Flavor Ramen Noodle Soup, 84g packet.
The noodles themselves are not the issue. Fried wheat noodles carry most of the calories and fat — cook them separately, rinse them, and they run about 180–200 calories with under 100mg sodium. The seasoning packet is where the ranking collapses: 1,760mg sodium, which is 77% of the AHA's recommended daily maximum of 2,300mg and 17% over the 1,500mg optimal target for people managing blood pressure. One meal.
The AHA's sodium guidance is clear on that threshold, and the distinction between "instant ramen noodles" and "instant ramen soup" matters nutritionally.
Two adjustments make the biggest difference:
- Use half the seasoning packet. Sodium drops to approximately 880mg while the flavor remains recognizable.
- Skip the packet, season with miso paste. White miso adds roughly 200–300mg sodium per tablespoon with substantially more depth.
For context on restaurant ramen's sodium profile, see ramen broth types compared — restaurant bowls run 1,800–3,000mg sodium depending on style.
How to Make Any Noodle Healthier (Without Losing Flavor)
Whatever noodle you start with, the build determines where the macros land.
Use less broth, not less flavor. Sodium in ramen and udon dishes lives primarily in the liquid. Reducing broth volume by 30–40% while keeping the same tare concentration means the flavor is proportionally stronger — and sodium intake drops roughly in line with the volume reduction.
Volume-load with vegetables. Adding 1 cup of leafy greens, mushrooms, or bean sprouts to a noodle bowl increases volume by 50–100% while adding 15–40 calories. The fiber and water content in vegetables slows gastric emptying and extends satiety.
Swap fatty toppings for lean proteins. Chashu pork adds roughly 180–250 calories and 14–20g fat per serving. Poached chicken breast at the same serving size adds approximately 120 calories and 2–3g fat with the same satiety contribution. Soft-boiled egg (ajitama) is a useful middle ground: 70 calories, 5g protein, 5g fat.
Cool noodles before eating or reheating. Cooking and cooling starch-based noodles before eating promotes resistant starch formation, which reduces the effective glycemic load of the meal. A 2026 study (MDPI Nutrients) found cooled and reheated pasta reduced maximum glycemic rise by 40% compared to freshly cooked pasta in adults with Type 1 diabetes. This applies to wheat noodles, rice noodles, and soba — not shirataki, which contains no digestible starch.
Lean on acids and aromatics. A squeeze of lime, rice vinegar, or fresh herbs (cilantro, shiso, mint) add complexity and perceived richness with near-zero caloric contribution. These are the additions that let you reduce sodium and fat without producing a flat-tasting bowl.
Use the Noodle Nutrition Calculator to model your specific bowl — toppings, broth volume, and noodle weight shift the final macros considerably.
Frequently Asked Questions
Are shirataki noodles really zero calories?
Almost, but not technically. Pure shirataki contains trace digestible matter alongside glucomannan fiber, giving it approximately 5–20 calories per cup. The glucomannan passes largely undigested — it is not absorbed into the bloodstream — which is the mechanism behind the near-zero calorie count. For practical purposes, the difference between "zero" and "20 calories" is negligible in any realistic meal.
Are rice noodles healthier than wheat noodles?
It depends on which metric you prioritize. Rice noodles have significantly less sodium than most wheat-based noodles and are naturally gluten-free, making them the better choice for sodium management and for people with celiac disease or gluten sensitivity. Wheat noodles — particularly whole wheat — have more fiber and more protein per cup. On raw calorie count, they are comparable. Neither is universally "healthier"; the right choice depends on your dietary goals.
Are ramen noodles bad for you?
The noodles themselves — alkaline wheat noodles made with kansui — are not the problem. A plain cooked ramen noodle has roughly 200 calories and 150–400mg sodium depending on the variety. The sodium problem in instant ramen comes almost entirely from the seasoning packet, which can contribute 1,500–1,800mg in a single use. Restaurant ramen adds sodium through the broth. The noodle is a reasonable wheat product; the surrounding preparation is where the numbers escalate.
Are noodles bad for diabetics?
Whole-grain noodles in moderation are generally compatible with a diabetes management plan — the fiber and protein matrix slows glucose absorption compared to refined white rice or white bread. Cooling and reheating noodles before eating increases resistant starch content, further reducing the glycemic response. Konjac/shirataki is currently the most diabetes-friendly option: glucomannan fiber has been shown to reduce postprandial blood glucose and improve insulin sensitivity. Anyone managing diabetes should use individual glucose monitoring to understand how their body responds to specific noodle types and portion sizes.
What is the lowest-carb noodle?
Shirataki (konjac) is the clear answer at approximately 3–6g net carbs per cup, all of which comes from glucomannan fiber. Among conventional noodles, soba has the lowest carb count at 24g per cup — lower than rice noodles (42g) or udon (43g). Zucchini noodles (zoodles) would sit below shirataki in carb count but are outside the scope of this comparison.
Are gluten-free noodles healthier?
Only if you have celiac disease or non-celiac gluten sensitivity. For those conditions, gluten-containing noodles cause immune-mediated intestinal damage — the health benefit of going gluten-free is significant and clinical. For everyone else, the Celiac Disease Foundation notes that a gluten-free diet does not equal weight loss and can produce nutrient deficiencies, since many gluten-free processed products are low in fiber. Rice noodles and 100% buckwheat soba are solid gluten-free options; most other "GF" pasta products substitute refined starches that offer less fiber and fewer micronutrients than whole wheat equivalents.
Nutrition data sourced from USDA FoodData Central (fdc.nal.usda.gov), manufacturer nutrition labels, and peer-reviewed literature cited inline. All noodle values reflect plain cooked noodles with no sauce, broth, or toppings added.
NoodleDex Editorial
Passionate about noodles from around the world. NoodleDex Kitchen explores flavors, techniques, and the stories behind every bowl.


