
Zinc
What it means
Zinc is a mineral that helps the cells which build new bone, osteoblasts, use the enzymes they need to do their job.
Your bones depend on a steady supply of zinc to support the cells that lay down new bone, so getting enough matters even though it works quietly in the background.
Zinc is a mineral your bones need because it helps osteoblasts, the cells that build new bone, run the enzymes they rely on to do that job. It works alongside other nutrients, including copper, as part of the supporting cast around calcium and vitamin D rather than as a headline act on its own.
Zinc is found in whole grains, legumes, nuts and seeds, but those same foods contain phytate, a compound that binds zinc and reduces how much you absorb from that particular meal. This matters most for people whose diet is very limited; for someone eating a varied diet, simple steps like soaking, sprouting, fermenting or leavening grains and legumes cut phytate considerably and make zinc more available.
If you take mineral supplements, it's worth knowing that magnesium, calcium, iron and zinc compete for the same absorption pathways, so taking them all in one mouthful can work against you. Spacing them out, and avoiding pairing supplements with your highest-phytate meal, helps. If you have a diagnosed zinc deficiency, follow a fully plant-based diet, or have a condition like coeliac or inflammatory bowel disease that affects absorption, it's worth discussing your zinc status with a physician or registered dietitian.
How sure is this?
Graded Strong Clinical Evidence: Supported by multiple well-designed clinical studies in humans. Read each study with its grade in mind. One study is a piece of the picture, not the whole of it.
Where the Academy teaches it
This page is the short version. The lessons teach it in full, with the context around it and a quiz to lock it in.
Related words

Vitamin K2 is a nutrient that helps direct calcium into your bones and away from your arteries by activating…

Magnesium is a mineral that helps activate vitamin D and forms part of the actual crystal structure of bone.

Calcium is the main building-block mineral in bone, and since your body can't make it, you need to get it from food…

Phytic acid is a natural substance in grains, legumes, nuts and seeds that can bind minerals like calcium and iron,…

Boron is a trace mineral that helps your body retain calcium and magnesium, two nutrients your bones need.
Education only, not medical advice. Decisions about tests, medications and treatment belong with your own doctor. OsteoStrong does not diagnose, treat or cure any disease.


