Keto Language Decoded — Common Low-Carb Terms Beginners Should Know

ketogenicfasting
May 24
3 min read

Updated: May 25

If you are new to low-carb or ketogenic eating, you may come across unfamiliar terms, abbreviations, and phrases in recipes, articles, videos, podcasts, and online communities.

The good news is that you do not need to memorize an entire dictionary of keto terminology to get started.

This simple guide covers some of the most common and useful low-carb terms beginners are most likely to encounter. Understanding these basics can help make the keto lifestyle feel far less confusing and much more approachable.

Keto

Short for Ketogenic — a low-carb, moderate-protein, higher-fat way of eating designed to help the body rely more on fat for fuel instead of sugar.

Ketosis

A natural metabolic state where the body primarily burns fat for energy and produces compounds called ketones.

Net Carbs

The digestible carbohydrates in a food.

A common formula used is:

Net Carbs=Total Carbohydrates−Fiber

Many low-carb eaters track net carbs rather than total carbohydrates.

Macros

Short for macronutrients — the three primary nutrients the body uses for fuel:

Fat
Protein
Carbohydrates

Calories (Cal)

A unit used to measure the amount of energy contained in food.

While many low-carb eaters focus heavily on food quality, satiety, blood sugar balance, and metabolic health, calories are still commonly referenced on nutrition labels and in dietary discussions.

IF (Intermittent Fasting)

A meal timing approach that alternates periods of eating with periods of fasting.

One common beginner method is:

16:8

This means fasting for 16 hours and eating within an 8-hour window.

Electrolytes

Important minerals such as sodium, potassium, and magnesium that help support hydration, energy, muscle function, and overall wellness.

Electrolytes are especially important during the early stages of keto.

Keto Flu

A temporary adjustment period some people experience when first reducing carbohydrates. Symptoms may include fatigue, headaches, sluggishness, or low energy as the body adapts to burning more fat for fuel.

BG (Blood Glucose)

The amount of sugar present in the blood.

A1C

A blood test that reflects average blood sugar levels over the previous two to three months.

IR (Insulin Resistance)

A condition where the body becomes less responsive to insulin, often associated with blood sugar imbalance and metabolic dysfunction.

Ketones

Compounds produced when the body burns fat for energy.

The three primary ketones produced by the body are:

Beta-Hydroxybutyrate (BHB) — the primary ketone used for energy
Acetoacetate (AcAc) — a ketone produced by the liver during fat metabolism
Acetone — a natural byproduct released through breath and urine

Ketone Sticks

Also called urine ketone test strips.

These strips are commonly used by beginners to help detect whether the body is producing ketones. They change color based on the concentration of ketones present in the urine.

Ketone sticks can be a useful beginner tool, although many long-term keto practitioners eventually rely more on how they feel, their energy levels, consistency, and sometimes blood ketone testing.

NSV (Non-Scale Victory)

Positive improvements not directly related to body weight, such as:

better energy
improved sleep
reduced cravings
looser clothing
improved focus

LCHF

Short for Low Carb High Fat.

Paleo

A whole-food style of eating that generally avoids refined sugars and heavily processed foods.

Final Thoughts

Starting a low-carb lifestyle does not require perfection or memorizing endless terminology.

Focus first on understanding the basics, learning how your body responds to food, and building sustainable habits that work for your lifestyle.

Over time, these terms become second nature — and healthy eating becomes much simpler than it first appeared.

Bon Appétit!

Chef Janine