- Liver Glandular adrenal supplement is pure and made from quality ingredients
- Made from cold-processed bovine glandular tissue Support liver health with liver glandular supplements. Swanson brand glandular supplements are made only from cold-processed bovine glandular tissue collected at USDA-inspected facilities. This high-quality tissue is desiccated (dried), defatted (when applicable) and powdered at cGMP certified laboratories in Nebraska.