Mineral

Calcium

Mineral studied for bone density, muscle contraction, nerve signaling. How it works, the dose and timing studied, what it interacts with, and the research behind the grade.

Grade A evidence strong: trials and meta-analyses agree
All compounds
Best for Bone density, Muscle contraction, Nerve signaling
Typical dose 1,000–1,200 mg daily total (diet plus supplement)
Timing Split doses of 500 mg or less; with food
Category Mineral
How it works

What it is and the mechanism

The most abundant mineral in the body and the structural basis of bone, plus a signaling ion for muscle contraction, nerve transmission, and clotting. Adequate intake with vitamin D supports bone maintenance.

Dose and timing

When and how much to take

The dose below reflects the range used in published research. Match the form alongside the milligrams. Set your own wake and bed times to map the timing onto your day.

Timing visualizer

When to take Calcium

Dose: 1,000–1,200 mg daily total (diet plus supplement). Set your own wake and bed times to map the guidance onto your day.

12a6a12p6pDAY2 doses
7 amMorning dose. Take the first portion after waking.
9 pmEvening dose. Take the second portion in the evening.

These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease.

Before you stack it

Interactions and cautions

Read these before combining this with other supplements or medication. The risk is rarely the headline, it is the interaction you did not check.

Interactions
  • Iron, zinc, thyroid meds, and some antibiotics, reduces absorption; separate timing
  • Vitamin K2 and D, support proper deposition
Cautions
  • Excess from supplements may raise kidney stone and possibly cardiovascular risk
  • Prioritize dietary calcium
Stacking

What pairs well, and what to keep apart

Derived from shared topics, complementary categories, and the interaction list. Introduce one compound at a time so you can tell what works.

Explore more

Compounds in the same topics

Often considered alongside this one. Each carries its own evidence grade.