What it looks like in practice
“A good stack is usually smaller, clearer, and easier to explain than people expect.”
In practice, good supplementation is usually simpler than people expect. It looks less like a kitchen-sink stack and more like a short list of purposeful decisions.
One person may use vitamin D through the winter, creatine to support training and muscle maintenance, and omega-3 only if oily fish intake is consistently low. Another may need iron only after testing confirms a deficiency, or a fibre supplement only because the baseline diet still falls short despite genuine effort.
What it does not look like is adding product after product because each one sounds plausible in isolation. The stack should still make sense when you ask a basic question about every item: what is this for, why this dose, and how will we know if it is worth continuing?
The practical standard is targeted, explainable, and reviewable. The smaller the list, the easier it is to keep that standard intact.