REGULATE HYDRATION GUIDES
Mineral-form guide

Calcium Citrate Tetrahydrate in Electrolyte Powder

A plain-language explanation of calcium citrate tetrahydrate and why the exact calcium source deserves a place on the label.

CaCALCIUM
Calcium is also an electrolyte
Citrate names the calcium salt
Tetrahydrate describes the crystalline ingredient

Calcium is more than a bone-health word

Calcium is well known for its role in bones and teeth, but it also contributes to muscle contraction, nerve transmission, blood-vessel function, and cellular signaling. Those electrical and fluid-related roles are why calcium is classified as an electrolyte.

Review the NIH calcium fact sheet

Breaking down the full name

“Calcium” is the mineral. “Citrate” identifies the calcium salt. “Tetrahydrate” describes four water molecules associated with the crystalline compound. The long name is a precise chemical description, not a collection of separate ingredients.

What research says about citrate forms

Calcium citrate and calcium carbonate have been compared in absorption research. A meta-analysis found higher calcium absorption from calcium citrate under the study conditions. That does not make every product identical, but it supports paying attention to the source rather than treating all calcium forms as interchangeable.

Read the calcium citrate meta-analysis

Why Regulate names it

Regulate uses calcium citrate tetrahydrate and places the full name on the label. The purpose is transparency: you can identify the source, read about it, and compare it with the other named mineral forms in the formula.

FROM LABEL TO GLASS

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