Omega-3 vs fish oil — relationships between EPA, DHA, ALA, and various fish oil products. Bioavailability and choosing supplements.

Probiotics guide — strain-specific evidence, common uses (IBS, antibiotic diarrhea), and why generic “probiotic” claims often disappoint.

Turmeric and curcumin benefits — anti-inflammatory effects, joint pain, depression. Bioavailability and best formulations.

Ashwagandha benefits and risks — evidence for stress, anxiety, sleep, testosterone. Liver concerns and who should avoid.

Is creatine safe? Evidence review for kidney, heart, and other concerns. One of the most studied supplements with reassuring safety…

Is collagen worth taking? Evidence review for skin, joints, hair, and bone benefits. Hydrolyzed peptides and what to expect.

Is fish oil worth taking? Recent research review on omega-3 fatty acids for heart, brain, joints, and other claims.

How much vitamin D should I take? Daily recommendations by age, deficiency dosing, and upper limits to know.

Best form of vitamin D — D3 (cholecalciferol) vs D2 (ergocalciferol). Bioavailability, dosing, and what to choose.

Magnesium types — glycinate, citrate, oxide, malate, threonate. Bioavailability and best uses for each form.