● Food Intelligence · Protein

Ground Beef Glycemic Index and Calculate Your Own Glucose Response

Across 3,112 single-item logs, ground beef averaged +23.8 mg/dL — low on its own, but the form is the carb: a burger comes with a bun (+11 mg/dL), tacos come with a tortilla (+8 mg/dL), and meatballs come with pasta (+5 mg/dL). The carb alongside the beef, not the beef itself, determines where your curve lands.

GS
Reviewed by Grace Shryack
Signos Proprietary Data·Updated May 02, 2026·10 min read

● Powered by Signos cohort dataHigh confidence · n=3,112
The swap calculator below draws on 55,527 matched-pair logs — a broader cohort than the page's single-item primary, used to give every ingredient swap statistical power. Welch's t-test on matched pairs, not third-party glycemic-index tables. Each swap shows its sample size and confidence tier inline.
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Build Your Own Low GI Recipe

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Signos food logs

Tap any ingredient below to swap it for a glucose-friendlier alternative. Your Signos Glucose Score, predicted curve, and nutrition update in real-time. Every swap is data-backed by real CGM response measurements.

Ingredients — Tap to Swap
Meal Context
Pre-meal sequence
Activity after meal
Time of day
11
of 100
Signos Glucose Score
Low Spike Risk
75% of members fall between +7 and +9 mg/dL
Predicted Curve · 3-hr window
1401001201401601800m30m60m90m120m150m180m+8
Peak
+8
mg/dL
Time in Range
100%
3hr window
Above 140
0m
danger zone
Swaps
0
applied
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● Key Findings · Does ground beef spike blood sugar?

No — not on its own. Across 3,112 single-item logs, ground beef averaged +23.8 mg/dL with only 27.6% of meals crossing the high-spike threshold. Across 3,112 logged meals where members ate ground beef alone, the average glucose peak was +23.8 mg/dL (median +19 mg/dL). That baseline is low — but ground beef is almost never eaten alone. The form is the carb: a burger comes with a bun (+11 mg/dL, n=1,632), beef-and-rice adds +10 mg/dL (n=3,152), and a soft tortilla adds +8 mg/dL (n=3,633). Bolognese preparations pushed the form-slot mean to +40 mg/dL — the highest form reading in the dataset. Fat pairings like avocado or bacon trimmed the peak by −5 mg/dL in matched logs.

  • ▸The bun is the biggest single carb driver: adding a hamburger bun pushes the average from +27.4 to +38.8 mg/dL — an +11 mg/dL jump across 1,632 matched logs (high confidence).
  • ▸Rice adds the second-largest carb penalty: beef-and-rice pairings averaged +37.1 mg/dL — +10 mg/dL above the no-carb baseline across 3,152 matched logs.
  • ▸High carb load (≥60g) raises the response by 62.7% — the single largest modifier in the dataset (n=5,634 vs. n=42,236 baseline, p<0.001).
  • ▸Morning timing lowers the spike 22.5%: meals logged before 10 am averaged −6.7 mg/dL vs. the rest-of-day baseline (CI: −7.26 to −6.11 mg/dL, n=3,402, p<0.001).
● Signos Rules

Three citable insights from this recipe's data

Rule 1
"The Form-Is-The-Carb Rule"
+11 mg/dL (bun) · +10 mg/dL (rice)
Ground beef's glucose response is almost entirely determined by the carb that defines its form — patty means bun, taco means tortilla, meatballs mean pasta, meatloaf means bread. In matched-pair logs, a hamburger bun added +11 mg/dL (n=1,632), rice added +10 mg/dL (n=3,152), and a soft tortilla added +8 mg/dL (n=3,633). The beef itself is neutral; the carb wrapper is the lever. Choosing a lettuce wrap — instead of a bun — tracked −13 mg/dL lower in the small low-carb sub-cohort.
Rule 2
"The Bolognese Penalty"
+9.1 mg/dL above burger-patty anchor
Bolognese and pasta-sauce preparations averaged +40 mg/dL in the form slot (n=176, medium confidence) — the highest form reading measured, +9.1 mg/dL above the burger-patty anchor. The penalty compounds when pasta is also present (+5 mg/dL, n=2,278, high confidence), making spaghetti-bolognese one of the highest-spiking ground beef builds in the cohort. Medium-confidence on the form itself; the pasta carb-pair effect is high confidence.
Rule 3
"The Avocado Discount"
−5 mg/dL vs. no-fat baseline
Adding avocado or guacamole to a ground beef meal trimmed the average peak by −5 mg/dL versus the no-added-fat baseline (n=5,564, high confidence) — the deepest fat-pairing discount in the modifier table. Bacon matched the same −5 mg/dL reduction (n=2,498, high confidence). Both effects are consistent with dietary fat slowing gastric emptying and blunting post-meal glucose excursions — observational, not yet causal.
● Curious about your own?

Curious how your body responds to ground beef specifically?

Across 3,112 logged meals where ground beef was eaten alone, the average peak was +23.8 mg/dL — but the IQR spans 22 mg/dL (p25: +14, p75: +39), and what you eat with it can add 10+ mg/dL instantly. A bun adds +11 mg/dL; rice adds +10 mg/dL. A CGM tells you exactly how your biology responds to each build.

Learn how Signos works
Why this meal spikes

This meal stacks 3 independent spike drivers — together they account for +0 mg/dL.

Driver 1
Carb pairing — the form's structural carb (~30–50g)
+11 mg/dL
Ground beef (GI=0) is glucose-neutral alone. The carb attached to the form is the primary driver: bun +11 mg/dL, rice +10 mg/dL, soft tortilla +8 mg/dL, bread roll +7 mg/dL across high-confidence matched-pair logs.
Driver 2
Total meal carb load (≥60g adds 62.7%)
+16 mg/dL
Meals with ≥60g total carbs ran 62.7% higher than the light-carb baseline (n=5,634, p<0.001). Very heavy loads (110g+) pushed the average peak to +44.7 mg/dL — a 74.6% escalation versus the 0–40g bucket (+25.6 mg/dL).
Driver 3
Individual glucose variability (IQR 22 mg/dL)
+6 mg/dL
The interquartile range spans 22 mg/dL (p25: +14, p75: +39 mg/dL) across the full 55,527-meal cohort, reflecting personal differences in insulin sensitivity, microbiome, and metabolic state.
● Which bucket are you in?

Some members spike +23.8 mg/dL. Others spike +44.7. The only way to know how you'll spike is to measure with a Signos CGM.

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● What the cohort makes obvious
The thing about ground beef that the cohort makes obvious is that you're never really measuring the beef — you're measuring the carb it came with. Across 3,112 single-item logs, the baseline is +23.8 mg/dL. But add a bun and it's +38.8 mg/dL. Add rice and it's +37.1 mg/dL. The form is the carb, and the carb is the curve. Ground beef is the most context-dependent protein in the tranche.
— Signos Data Science Team

Why this happens, physiologically

Ground beef is a zero-carbohydrate food — protein and fat with no digestible starch — so its +23.8 mg/dL average in 3,112 single-item logs reflects individual metabolic baseline, not the beef itself. The dominant driver in the broader 55,527-meal cohort is total carb load: meals with ≥60g of carbs ran 62.7% higher (p<0.001), and the carb-bucket analysis shows near-linear escalation from +25.6 mg/dL in light (0–40g) meals to +44.7 mg/dL in very-heavy (110g+) meals — a 74.6% rise. Fat pairings (≥15g) trimmed the response by 11.3%, consistent with fat slowing gastric emptying. The form-slot pattern is the clearest pedagogical signal: each preparation form carries its signature carb, and the carb — not the beef — determines where the curve lands.

● Three mechanisms explain ground beef's glucose range

Carb pairing, total meal carb load, and fat co-ingestion each drive measurable shifts in ground beef's glucose response

  1. Mechanism 1
    +62.7%
    High carb co-load
    Meals with ≥60g total carbs showed peaks 62.7% above the low-carb baseline (n=5,634 vs. n=42,236, p<0.001). The bun, tortilla, pasta, or rice — not the beef — accounts for every point of that penalty.
  2. Mechanism 2
    +11 mg/dL
    Bun / carb wrapper
    The form-specific carb pairing drives the largest acute delta: a hamburger bun added +11 mg/dL (n=1,632, high confidence), rice +10 mg/dL (n=3,152), and soft tortilla +8 mg/dL (n=3,633) above no-carb baseline.
  3. Mechanism 3
    −11.3%
    Fat-slowed emptying
    High-fat pairings (≥15g) reduced the response by 11.3% across n=47,765 matched logs (CI: −5.81 to −1.47 mg/dL). Avocado and bacon each showed −5 mg/dL discounts in high-confidence sub-cohorts.
● Fit Check
Ground beef is glucose-neutral on its own — but the form you choose almost always comes with a carb, and that carb is the variable that matters.
✓ This is for you if
  • ▸You eat ground beef without a high-carb pairing. Single-item logs averaged +23.8 mg/dL with 53.7% of responses in the low-spike category.
  • ▸You add avocado or guacamole. Avocado pairings cut the peak by −5 mg/dL vs. the no-fat baseline across 5,564 matched logs (high confidence).
  • ▸You choose a lettuce wrap over a bun. Lettuce wrap logs tracked at +25.2 mg/dL vs. +38.8 mg/dL for a bun — though the sub-cohort is small (n=69, low confidence).
  • ▸You eat ground beef at breakfast. Morning logs (before 10 am) averaged 22.5% lower peaks vs. rest-of-day meals (n=3,402, p<0.001).
✗ Not for you if
  • ▸You make classic spaghetti bolognese. That preparation hits +40 mg/dL in the form slot (n=176) and the pasta pairing adds another +5 mg/dL — stacking to the highest ground-beef build in the cohort.
  • ▸You load ground beef into a high-carb meal (110g+ carbs). Very-heavy-carb loads pushed the average to +44.7 mg/dL — a 74.6% escalation versus light meals at +25.6 mg/dL.
  • ▸You default to a hamburger bun without thought. A standard bun adds +11 mg/dL over the no-carb baseline — the largest single carb-pair delta in the slot (n=1,632, high confidence).
  • ▸You pair ground beef with rice at dinner. Beef-and-rice bowls averaged +37.1 mg/dL (+10 mg/dL above baseline, n=3,152), and dinner is the highest-spiking meal slot at +30.4 mg/dL (n=28,821).
● How it fits your day

Calorie band and pairings (member-measured)

Per serving
280–930 kcal
Ranges from a plain 4-oz patty (~280 kcal) to a full pasta-bolognese plate (~929 kcal at the heavy carb bucket average); single-item logs averaged 425 kcal.
● Pair before
  • ▸Choose a lower-carb format: lettuce-wrap burgers tracked −13 mg/dL lower than bun builds in matched logs (small cohort, n=69 — directional).
  • ▸Add avocado or bacon before the meal: both fat pairings trimmed the peak by −5 mg/dL vs. no-fat baseline across high-confidence sub-cohorts (n=5,564 and n=2,498).
● Pair after
  • ▸Walk 10–15 min after high-carb ground beef meals (bun, rice, pasta), which averaged +37–+39 mg/dL — 10+ mg/dL above the no-carb baseline.
  • ▸If you ate a heavy bolognese or pasta build, note that the very-heavy-carb bucket (110g+) averaged +44.7 mg/dL — the top of the cohort range.
● Avoid pairing
  • ▸Avoid bolognese + pasta together: the form slot averages +40 mg/dL and the pasta carb pair adds +5 mg/dL further (n=2,278, high confidence).
  • ▸Avoid adding rice to ground beef at dinner: beef-and-rice bowls at dinner combine the highest meal-slot mean (+30.4 mg/dL) with a +10 mg/dL carb penalty.
● Quick definitions (click to expand)
mg/dL — milligrams per deciliter. The unit blood glucose is measured in. A rise of "+30 mg/dL above baseline" means blood sugar went up 30 units after the meal.
Glycemic Index (GI) — a 0–100 score for how fast a food raises blood sugar in lab tests. Under 55 = low, 56–69 = medium, 70+ = high.
Glycemic Load (GL) — GI adjusted for portion size. Under 10 = low, 10–19 = medium, 20+ = high.
CGM — Continuous Glucose Monitor. A wearable sensor that tracks blood glucose every few minutes. Signos members wear CGMs while eating meals they log.
● Related Foods: How ground beef's glucose response compares to other proteins and the carbs it's typically paired with

Frequently Asked Questions

Methodology

This page draws on 3,112 single-item ground beef logs (meals where ground beef was logged alone, no pairings) from 1,776 unique Signos members, plus a broader 55,527-meal cohort spanning all meal contexts where ground beef appeared, collected through the Signos production CGM platform. Data were filtered to postprandial glucose responses (PPGR) between 0 and 100 mg/dL to exclude sensor artifacts and implausible readings. Modifier effects were estimated using Welch's t-test on matched pairs against a defined baseline; all reported effects carry p<0.001 unless noted. The food was identified in member logs using a regex matching 'ground beef,' 'hamburger patty,' 'beef patty,' 'taco meat,' 'meatball,' 'meatloaf,' and 'bolognese,' explicitly excluding plant-based imitations (Beyond Meat, Impossible Burger) and turkey/chicken meatball variants. Any carb-pair or fat-pair slot requires at least 30 matched meals before it appears in the recipe builder; high-confidence designation requires 500+ matched meals.

Limitations

  • Self-reported portion sizes introduce measurement error — a logged '4 oz patty' may vary significantly in actual weight and fat content (80/20 vs. 90/10 lean), affecting per-serving spike estimates.
  • Cohort skews health-motivated; Signos members actively tracking glucose tend to eat more mindfully than the general population, so real-world average spikes may differ.
  • The lettuce-wrap sub-cohort is very small (n=69, low confidence) — its reported −2 mg/dL delta vs. no-carb baseline should be treated as directional only, not statistically firm.
  • The bolognese / pasta-sauce form sub-cohort has medium confidence (n=176); treat its +9.1 mg/dL delta above the burger-patty anchor as directional pending a larger sample.
  • The meatball form sub-cohort also carries medium confidence (n=161); the +4.7 mg/dL delta vs. the burger-patty anchor should be interpreted with caution.
  • Modifier analyses reflect meal-level correlations, not controlled feeding trials — causality cannot be established from observational CGM data alone.
  • The beef-bowl form option was removed from the builder due to insufficient cohort size (n=21) — Asian beef-bowl preparations are underrepresented in this cohort.
● Get your own data

See your own ground beef response

Across 3,112 single-item logs, ground beef averaged +23.8 mg/dL — but the form you choose changes everything. A hamburger bun adds +11 mg/dL, rice adds +10 mg/dL, and a soft tortilla adds +8 mg/dL above the no-carb baseline. Avocado trims −5 mg/dL. A CGM shows you exactly which builds work best for your own glucose curve.

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