CASI Blog
Peer-reviewed nutrition science, organized by topic and section.
Fully-referenced deep dives, written for practitioners and the science-curious.
Science Update
A new stool test that analyzes volatile organic compounds distinguished irritable bowel syndrome from inflammatory bowel disease with 76 percent accuracy.
Research & Education
Fish oil triglycerides are absorbed and metabolized more efficiently than cheaper ethyl esters, with studies showing higher plasma EPA and DHA levels.
Research & Education
Grass-fed beef delivers nutrient-dense protein, creatine, and healthy fats, and evidence suggests its saturated fat may not harm heart health.
Joint Health
DHA supplementation shows potential to protect against traumatic brain injury and improve sleep duration, reading, and behavior in children.
Science Update
Certain intestinal bacteria may trigger genetic changes that promote colon cancer, while probiotics support gut health and inhibit harmful microbes.
Immune Support
Intestinal permeability and food sensitivities may fuel autoimmune joint pain; trials show Andrographis paniculata eases rheumatoid arthritis symptoms.
Battling Canker Sores
Low vitamin B12 and folate status is linked to recurrent aphthous stomatitis, or canker sores, with supplementation studies showing symptom relief.
Estrogen Metabolism
Rising aromatase and SHBG levels shift men's testosterone to estrogen ratio with age, and tongkat ali may help restore balance by limiting aromatase.
Cellular Health
Lycopene, the carotenoid in tomatoes, may support prostate health through antioxidant activity, effects on apoptosis, and improved cell communication.
Hormonal Balance
Fibromyalgias mitochondrial and hormonal dysfunctions can be assessed with organic acid, salivary hormone, and stool testing to guide nutrient support.
Cellular Energy
Protein adequacy, inflammation control, toxin exposure, allergens, movement, and magnesium and potassium status each shape fatigue in cancer care.