Hunger and Fullness Scale From 1 to 10: How to Use It on Ozempic, Wegovy, Mounjaro or Zepbound

The hunger and fullness scale is a 1-to-10 ruler for putting a number on what your body is telling you: 1 is extreme hunger and 10 is so full it hurts. It comes from intuitive eating and mindful eating, and appetite researchers have used a similar tool for decades. On semaglutide (Ozempic, Wegovy) or tirzepatide (Mounjaro, Zepbound) it can be useful for a specific reason: these drugs change hunger and fullness, and the signals can get harder to read. Here’s where the scale comes from, what each number means, how to use it and what it doesn’t do.

Where the scale comes from

The idea comes from intuitive eating, the approach described by Evelyn Tribole and Elyse Resch. A review in Nutrición Hospitalaria defines it as relying on biological mechanisms, meaning internal hunger and satiety cues, to regulate what you eat^[1]. The Intuitive Eating Scale-2, validated in 1,405 college women and 1,195 college men, measures exactly that tendency to follow physical hunger and satiety cues when deciding when, what and how much to eat^[2]. A meta-analysis of 97 studies links eating this way with fewer eating-disorder symptoms and better body image, though 89% of those studies were cross-sectional: they show association, not cause^[12].

Mindful eating uses the same idea. MB-EAT, a program developed for binge-eating disorder, trains awareness of hunger and satiety cues among other skills^[4].

The numbered scale itself comes from Tribole and Resch’s book. As Utah State University Extension presents it, it runs from 0 (extreme hunger) to 10 (uncomfortably full), with 5 as neutral^[3].

The lab version: the visual analog scale

Appetite studies use a similar tool, the visual analog scale (VAS): a line where you mark how hungry, satisfied or full you feel, scored in millimeters. In a classic 2000 study of 55 healthy men, these ratings held up when repeated on different days. Their averages over 4.5 hours correlated with how much people then ate at an eat-as-much-as-you-like lunch (correlation of 0.50 to 0.53)^[5]. Rating what you feel isn’t precise, but it does tell you something real.

The 1-to-10 scale, number by number

The descriptions are mine and meant as a guide, not a validated scale.

Tribole and Resch’s suggestion, on their 0-to-10 version, is to start eating around 3 (moderately hungry) and stop around 6 or 7 (comfortably full or satisfied)^[3]. On this 1-to-10 table, that falls roughly at 3 to 4 to start and 6 to 7 to stop. Take it as a common recommendation from that approach, not a rule: the point is to learn what works for you.

Why it can help on a GLP-1

The US labels describe the effect in one line each: semaglutide decreases calorie intake, and the effects are likely mediated by affecting appetite^[6], and the Zepbound label uses the same wording for tirzepatide^[7]. The trials that measured hunger and fullness directly:

• Semaglutide 2.4 mg, 20 weeks. In a trial of 72 adults with obesity, participants on semaglutide rated less hunger and more fullness and satiety than those on placebo. At a free lunch they ate 35% less energy^[9].
• STEP 5, 2 years. In a subgroup of 174 people who filled out the Control of Eating Questionnaire (CoEQ), semaglutide improved hunger and fullness vs. placebo at week 20. At week 104 the domains that still differed included craving control and savory cravings; hunger and fullness differences were reported only at week 20^[8].
• Tirzepatide 15 mg, 28 weeks. I couldn’t find published hunger-scale data from the SURMOUNT trials. The data come from a mechanism trial in people with type 2 diabetes: both tirzepatide and semaglutide 1 mg lowered fasting hunger and raised satiety and fullness, with no difference between them^[10]. It was measured only while fasting, not around meals.

The opposite risk: eating too little

If hunger drops so much that you rarely get below a 5, the scale stops warning you. A 2025 joint advisory from four US societies describes it: limited interest in food, less hunger and more fullness can lead people to go several hours without eating. It lists nutrient deficiencies from eating less among the challenges of these drugs. For those cases it suggests small, frequent meals and, if that’s not enough, an alarm or reminder to eat^[11].

So on a GLP-1 the scale does two jobs: noticing when to stop, and noticing when you’ve gone too long without food. If you fill up on very little, see early satiety: why you feel full so fast. If you’re eating little, check vitamins and minerals when you eat little. And if it’s the reverse, there’s still hungry on Ozempic or Mounjaro.

How to use it before, during and after meals

Before. Pause and ask what number you’re at. At a 1 or 2, you’ll probably eat fast. At a 5 or higher at your usual mealtime, a small meal may still make sense on a GLP-1, depending on what you’ve worked out with your doctor or dietitian.

During. Halfway through the plate, take a short break. Are you still at 3 or 4, or already at 6? On these drugs fullness can arrive sooner than you expect, so the pause keeps you from sliding to 8 or 9 without noticing.

After. A little while after you finish, rate again. If you often end at 8 or above with nausea or heaviness, smaller servings spread across the day may help. What to eat on a GLP-1 has ideas.

Through the day. Notice how many hours pass between meals. If you’re at a 1 or 2 by the time you eat, the gap may be too long.

A card to keep handy

If it helps, copy something like this onto an index card or a phone note:

• Before eating: what number am I at?
• Halfway: pause. Still hungry, or already satisfied?
• After: what number now? Do I feel good or heavy?
• How many hours since I last ate?

To log your numbers for a few weeks and bring them to an appointment, the printable symptom diary has a 0–10 appetite box and a notes box. Heads-up: in the diary 0 means not hungry at all and 10 very hungry, the reverse of this scale.

Hunger, cravings and “food noise”

The scale measures physical hunger, not a craving for something specific or constant thoughts about food. You can be at a 6 and still really want chocolate: those are different signals. I cover that in food noise and, with more on the hormones, in the science of satiety.

If “hunger” hits suddenly and you take insulin

If you have type 2 diabetes and use insulin or a sulfonylurea, a sudden 1 may not be ordinary hunger. The Zepbound Medication Guide says your risk for getting low blood sugar may be higher if you use Zepbound with medicines that can cause low blood sugar, such as an insulin or sulfonylurea, and lists hunger among the signs, along with dizziness, sweating, shakiness and confusion^[7]. The Wegovy Medication Guide lists hunger among them too^[6]. If that happens, follow the low-blood-sugar plan your doctor gave you.

What the scale doesn’t do

• It doesn’t diagnose anything. It can’t tell you whether the treatment is working and doesn’t replace a medical visit.
• It isn’t a weight target. The goal is eating well and comfortably, not eating as little as possible.
• It isn’t for everyone. For some people, rating every meal brings anxiety or too much control. If that’s you, drop it.

FAQ

What number should I start and stop eating at?

Tribole and Resch’s suggestion is to start when you’re moderately hungry and stop when you’re satisfied, before you feel heavy^[3]. On the table above that’s roughly 3 to 4 to start and 6 to 7 to stop. It isn’t a fixed rule: on a GLP-1 you may need to eat at regular times even without feeling hungry. Talk it over with your doctor or a registered dietitian.

Is it normal to never feel hungry on Ozempic, Wegovy or Zepbound?

The labels say these drugs lower calorie intake, likely by affecting appetite^[6,7], so feeling little hunger is expected. But going many hours without food can leave you short on nutrients and protein. The 2025 advisory suggests small, frequent meals and reminders to eat^[11]. If you’re barely eating, talk to your doctor.

Does the hunger scale help you lose weight?

It’s a tool for noticing, not for weight loss. Studies link intuitive eating, where it comes from, mainly with a better relationship with food and fewer eating-disorder symptoms, and almost all of them are cross-sectional^[12].