Iron and fatigue: why hemoglobin is normal but you have no energy
One in three women who menstruate lives with iron deficiency despite normal hemoglobin. Ferritin, symptoms, food, and when supplements are needed.

In-depth articles on low-carb nutrition, intermittent fasting, strength training, sleep, stress, and recovery. No two-week diets or promises for summer — only what you can follow for years. Every article is signed by its author and reviewed before publication.
One in three women who menstruate lives with iron deficiency despite normal hemoglobin. Ferritin, symptoms, food, and when supplements are needed.
Hypothyroidism slows metabolism, and weight increases on the same diet. Which tests to take, at what levels to ease fasting, and how the method works with thyroid disease.
Weight won’t budge, you crave sweets, and after eating you feel sleepy — this is what insulin resistance looks like. Which tests to take, what the normal ranges are, and how the method helps reverse it.
Insulin is at the root of most cases of PCOS. Why low-carb eating restores the cycle sooner than weight is lost, and what mistakes are made most often.
3-5 days before your period, your weight increases by 1-2 kg — this is water, not fat. Where it comes from, what intensifies it, and how to reduce swelling without diuretics.
Strength, endurance, and recovery change throughout the cycle. Where to schedule heavy strength training, where to walk, and why it is normal not to set a record during the luteal phase.
Intermittent fasting for women depends on the phase of the cycle. When the window can be kept strictly, when to shorten it, and what signs indicate that it is too much.
In the week before your period, appetite increases by 100-300 kcal — it’s progesterone, not weakness. How to structure your food around the phases so you don’t lose control.
When you need a doctor, what to do for lower back and knee pain, a table of substitutions for different limitations, how to tell “unfamiliar” from “not allowed,” and where to start.
Where muscles actually grow, how to distinguish beneficial soreness from harmful pain, how much to rest, why lack of sleep takes away more than an extra workout gives, and what overtraining looks like in a beginner.
How many steps are actually needed, why ten minutes after a meal matter more than an hour in the morning, where to get steps during an ordinary day, and what to do in winter.
Three measures of progress without weights or barbells, a three-line log, a monthly measurement, and what to do if there’s no change for three weeks.
