The first week of carnivore is where most people make their decision about whether to continue. The food side of that decision is straightforward — you eat meat, eggs, salt, and water. Where it gets harder is matching meals to a body that is rewiring its energy system in real time.
This plan covers seven days of practical meals, with notes on what to expect physically each day, a shopping list, and cooking guidance for people who do not consider themselves cooks. It is not the only valid first week, but it is a tested template that works.
Before You Start
Two preparations make the week dramatically easier.
First, do the shopping in one trip on Day 0 (the day before Day 1). The plan below requires roughly 4-5kg of meat plus eggs, butter, and salt. Buying it all at once and freezing what you will not eat in the first three days removes the friction of mid-week grocery decisions made when you are tired and depleted.
Second, buy salt before you buy anything else. Pink Himalayan or sea salt, fine grind for cooking, coarse for finishing. Salt heavily from Meal 1. The single most preventable source of first-week misery is undersalting.
The 7-Day Plan
Day 1 — Foundation
- Breakfast: 3 eggs scrambled in butter, 4 strips of bacon, salt to taste.
- Lunch: Ribeye steak (250-300g), seared in tallow, salt and pepper-omitted (salt only first 30 days). Pat of butter on top to melt.
- Dinner: Ground beef (300g, 80/20 fat content) cooked in butter, salted heavily. Eat with a spoon.
- Hydration: 2L of water plus one mug of beef bone broth (about 250ml) with extra salt added.
What your body is doing: Glycogen stores still partially full. Energy feels normal. Insulin starting to drop but not yet at the cascade threshold. The diet feels easy on Day 1. This is not a sign that the diet is "working" yet — it is the calm before the metabolic shift.
Day 2 — Easing In
- Breakfast: 3 beef sausages (sugar-free, check label) and 2 eggs fried in butter.
- Lunch: Salmon fillet (200-250g), pan-seared skin-side down in butter. Salt heavily.
- Dinner: Lamb chops (3-4 chops), pan-seared then finished in the oven. Render the fat and pour over the meat.
- Hydration: 2L water. Add half a teaspoon of salt to a glass of water on rising and after dinner.
What your body is doing: Glycogen depletion accelerating. Insulin lower. Sodium excretion picking up. You may notice slightly more frequent urination on Day 2 than Day 1. This is the start of the electrolyte cascade. Salt water becomes important.
Day 3 — Cascade Day
- Breakfast: A 2-egg omelette with butter and a piece of cheddar (if including dairy), or bone broth with two boiled eggs if not.
- Lunch: Chuck roast slices (200-300g), slow-cooked the night before or pre-cooked from Day 1's leftovers.
- Dinner: Pork belly (200g), slow-roasted until crisp on top. Salt the rendered fat heavily.
- Hydration: 2.5L water. Two doses of salt water (half a teaspoon dissolved in 250ml warm water) — one on rising, one in the early afternoon.
What your body is doing: This is the day "carnivore flu" typically begins. Headache, fatigue, possibly some brain fog. Sodium is the answer. Drink the salt water without delay if symptoms appear. They typically resolve within 20-30 minutes. If you are tracking with CarnivOS, the Adaptation Score will likely show a dip on Day 3 — this is expected.
Day 4 — Organ Day
- Breakfast: Chicken liver (100g) sauteed in butter with 4 strips of bacon. Liver-bacon combination masks the iron taste for those new to liver.
- Lunch: Tuna (canned in olive oil if needed, or fresh seared) — about 200g, with salted hard-boiled eggs.
- Dinner: NY strip steak (250-300g), reverse-seared if you have time, otherwise pan-seared. Heavy salt finish.
- Hydration: 2.5L water. Continue salt water as needed. Add 200mg magnesium glycinate before bed.
What your body is doing: Acute symptoms typically peak on Day 3-4 and start easing on Day 4-5. The liver delivers a significant dose of vitamin A, copper, and B12 — particularly important during early adaptation when intake of varied micronutrients matters. If liver is too much, swallow it raw frozen in pill-sized cubes.
Day 5 — Stabilization
- Breakfast: 4 eggs scrambled with shredded cheddar and 3 strips of bacon. Or, if no dairy: eggs and bacon plain with extra butter.
- Lunch: Ground beef "tacos" — ground beef cooked in butter, scrambled with 2 eggs as a wrap-substitute. Salt heavily.
- Dinner: Roast beef (200-300g), pre-cooked or sliced from a deli (verify ingredients — many contain sugar or starch fillers).
- Hydration: 2L water. Magnesium glycinate before bed.
What your body is doing: The acute electrolyte cascade is easing. Energy may be returning. You might still feel a slight fog but it is improving. Beta-hydroxybutyrate is rising as the liver ramps up ketone production. Some people feel an unexpected wave of clarity on Day 5. Others still feel flat — both are normal at this stage.
Day 6 — Easy Day
- Breakfast: Bone broth (250-400ml, salted) with 3 boiled eggs. Light meal, easy on the stomach.
- Lunch: Sardines in olive oil (2 tins) or fresh small fish if available. Eat with a fork directly from the tin.
- Dinner: Ribeye (300g) again — the workhorse cut. Butter on top.
- Hydration: 2L water. Magnesium before bed.
What your body is doing: Adaptation is well underway. You may notice a natural drop in appetite — meals feel like enough faster than they did on Day 1. This is leptin and CCK signaling working without the suppression that sugar and processed foods normally produce. Fish day delivers omega-3 EPA and DHA in their bioavailable form.
Day 7 — The Big Plate
- Breakfast/Brunch: A loaded carnivore plate — 3 eggs, 4 strips of bacon, 2 sausages, ribeye slice (150g), butter on everything.
- Lunch: Skip if not hungry (many people naturally drop a meal by Day 7). Or bone broth and a couple of slices of cheese.
- Dinner: Brisket (250-300g) or another slow-cooked fatty cut. Render the fat and eat it.
- Hydration: 2L water. Magnesium before bed.
What your body is doing: By the end of Day 7, most practitioners feel measurably better than they did on Day 4. Appetite is regulating. Sleep often improves around Day 6-7. The transition into actual fat-adaptation continues across weeks 2-4, but the worst phase is behind you.
Shopping List for Week 1
Quantities are for one adult. Roughly $90-130 USD depending on cut quality and region. (No calorie figures listed — carnivore is not calorie-counted.)
| Item | Quantity | Notes |
|---|---|---|
| Ribeye steak | 2 (250-300g each) | Grass-fed if budget allows |
| NY strip steak | 1 (250-300g) | Or sirloin substitute |
| Ground beef 80/20 | 500g | Higher fat percentage preferred |
| Chuck roast | 500-700g | Slow-cook on Day 2 evening |
| Brisket or stew beef | 500g | For Day 7 dinner |
| Pork belly | 250g | Skin-on if possible |
| Bacon | 500g pack | Sugar-free preferred |
| Beef sausages | 1 pack (5-6 sausages) | Check ingredients |
| Lamb chops | 4-5 chops | Or substitute lamb shoulder |
| Salmon fillet | 1 (200-250g) | Wild-caught if available |
| Tuna (fresh or canned) | 200g fresh or 2 tins | Canned in oil or water |
| Sardines (canned) | 2 tins | In olive oil |
| Chicken liver | 100-150g | Or beef liver |
| Eggs | 2 dozen (24) | Pasture-raised if possible |
| Butter (unsalted) | 250g pack | Add own salt for flexibility |
| Beef tallow | 1 small jar | For high-heat searing |
| Hard cheese (optional) | 200g block | Cheddar or parmesan |
| Bone broth | 1L (or homemade) | Salted |
| Salt (Himalayan or sea) | Bulk container | Used heavily all week |
| Magnesium glycinate | 1 bottle | For evening use |
Cooking Notes
Salt heavily, always. The single most important cooking adjustment. Salt before, during, and after cooking. Most home cooks dramatically undersalt; carnivore practitioners need more salt than the standard recipe assumes.
Cook in animal fat. Butter, ghee, beef tallow, bacon grease. Avoid all plant oils — including olive oil at high heat (it oxidizes), coconut oil (technically not animal-source), and any seed oil. Tallow and ghee are the highest-temperature stable fats and best for searing.
No spices the first 30 days. Counterintuitive but important. Spices are plant-derived and contain compounds that some people react to. Skipping them for 30 days lets you isolate which symptoms come from animal foods versus which came from spices. Reintroduce one at a time after Day 30 if desired.
Render and eat the fat. Pour rendered bacon grease over eggs. Pour rendered steak fat over the steak. The carnivore diet is high-fat by design and you should be eating most of the fat that comes off your meat. If you cook lean and pour the fat down the sink, you will be hungry.
Cooking temperature. Internal medium-rare (about 54-57C / 130-135F) preserves more nutrients than well-done. Use a meat thermometer if you are not confident judging by touch. Overcooked meat is harder to digest and loses some B vitamins.
Adaptation Calendar Overlay
Days 1-2: Easy, almost suspiciously so. Glycogen still present.
Days 3-5: The hardest stretch. Carnivore flu likely. Sodium and water are the answer.
Days 5-7: Symptoms easing. Energy returning unevenly. Sleep beginning to improve.
Days 7-14: The week-2 grind. Adaptation continues but plateau-feeling is common.
Days 14-30: The genuine adaptation phase begins. Body composition changes become visible. Inflammation markers commonly improve.
Logging With CarnivOS
If you are using CarnivOS, log each meal as you eat it (or in batches at the end of the day — both work). The app will calculate sodium, potassium, magnesium, and protein totals against carnivore-specific targets. The Adaptation Score will rise across the week as electrolyte adequacy and food consistency build.
Symptom check-ins (energy, mental clarity, sleep, GI status) take less than 30 seconds each. The data feeds into the Adaptation Score and gives you context for whether the way you feel on a given day is normal for that stage of adaptation.
Run Your First Week With the App That Tracks It Right
CarnivOS calculates your carnivore-specific electrolyte targets, tracks your meals against the Adaptation Score, and shows you exactly where you are in the adaptation timeline. No fiber warnings, no calorie targets, no plant-food categories.
Start Day 1 Now Launching soon · iOS & AndroidFrequently Asked Questions
What do you eat on a 7-day carnivore meal plan?
Mostly fatty cuts of beef, eggs, and salt, with fish, pork, or poultry for variety, eaten to appetite. Most beginners do well with two or three meals a day and no calorie counting — animal protein and fat are highly satiating, so you eat until full rather than to a number.
Why do I feel worse in the first week of carnivore?
The early dip, often around days 3–5, is the adaptation period as the body shifts from burning carbohydrate to fat. Salting food generously, drinking enough water, and replacing electrolytes is the standard way to reduce the fatigue, headaches, and cramps people call the "carnivore flu."
Do I need to count calories on a carnivore meal plan?
No. This plan is built around eating to appetite. Protein and fat trigger strong satiety, so most people self-regulate intake without tracking calories. The focus is on what you eat and getting enough protein and electrolytes, not on a calorie target.