Short, plain-English explainers in our own words — enough to know what you’re taking and why. For the full science, go straight to the source: Dr. Berg’s official channel has thousands of free videos.
Watch Dr. Berg on YouTube ↗Your body wants roughly 4,700mg of potassium a day and most people get half that. It runs the sodium-potassium pump in every cell — energy, hydration and normal muscle function all sit downstream. Bananas won't get you there; a banana is about 400mg. This is why serious electrolyte formulas are potassium-first, not salt-first.
The headaches, weakness and irritability of early fasting are usually electrolytes leaving with water weight — not hunger. Keep sodium, potassium and magnesium topped up, break your fast with protein and fat instead of carbs, and compress your eating window gradually: 12 hours, then 10, then 8.
Vitamin D3 raises calcium absorption; vitamin K2 activates the proteins that direct that calcium into bone rather than soft tissue. Taking high-dose D3 alone moves more calcium around without telling it where to go. If you supplement one, supplement both — and take them with a meal that has fat.
Dropping carbs drops insulin, and low insulin makes your kidneys dump sodium — taking potassium and magnesium with it. That's the real cause of week-one keto misery. The fix isn't willpower, it's minerals: salt your food properly and replace potassium daily during the transition.
If higher-fat meals feel heavy and slow to digest, low bile output is a common culprit — especially after years of low-fat eating. Bile emulsifies fat so enzymes can work on it; with enough of it, higher-fat meals digest comfortably.
Magnesium sits in over 300 enzyme reactions, including the ones that calm the nervous system down at night. Modern diets run chronically low on it, often without obvious signs. Glycinate is the form to take in the evening — absorbable and gentle.
Educational content only — not medical advice, and not a substitute for seeing a doctor. Supplements support a good diet; they don’t replace one.
