Strontium 90c is available by Douglas Laboratories.
HEALTH FUNCTION: Osteo Support
A Dietary Supplement
90 Vegetarian Capsules
The maintenance of healthy bone structure results from a balance of bone resorption (by osteoclasts) coupled with bone formation (from osteoblasts). The trace mineral strontium supports healthy bone structure by promoting healthy osteoblast activity while maintaining healthy osteoclast activity.
Each Vegetarian Capsule Contains:
Strontium (citrate) ...200mg
Other ingredients: Cellulose, vegetable stearate and silica.