Stack calculator

How much am I actually taking?

Add every bottle you take in a day. Nutrients are totalled item by item and set against the official tolerable upper intake level. No scores, no recommendations.

Your stack

Nothing added yet. Search the label library below, or type in a label.

15 labels in the library. Type a product or brand to find one.

Type in a label

One row per line of the Supplement Facts panel, per serving, as printed.

Read a label from a photo

A photo of the Supplement Facts panel. It is read once, in memory: not saved, not added to the library, not written to any log. Nothing is added up until you have been through the rows.

Scope and limits

  • It adds printed amounts. A nutrient a label does not list is left out of the total, not counted as zero, and the row says so.
  • It converts between units only where a reviewed, sourced factor exists for the chemical form the label names. If the form is not printed, the amount is kept in its own unit rather than guessed at.
  • It compares with upper limits, not with targets. There is no “too little” and no “too much” beyond what the limit itself says.
  • It does not know your diet, your prescriptions or your medical history. Before acting on any of it, read how these numbers are put together.