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- Page 1Acai: a food with more marketing than clinical evidencethrough How much ashwagandha should women take?
- Page 2Is ashwagandha an antidepressant?through Ashwagandha for stress and anxiety: promising small trials leave important questions
- Page 3What are the benefits of ashwagandha tea?through Berberine and mitochondrial complex I: a mechanism is not an energy-boost promise
- Page 4Which plants contain berberine? Sources are not interchangeable dosesthrough What makes a fruit a fruit? Berries, vegetables and accessory fruits
- Page 5Botanical medicine: plant identity and preparation determine the questionthrough Cocoa extract in COSMOS: the primary cardiovascular result was not significant
- Page 6Collagen for eczema: skin hydration claims are not eczema treatment evidencethrough Piperine and curcumin absorption: higher blood exposure is not a clinical benefit
- Page 7Curcumin powder: identify the extract before judging benefits or dosethrough Elderberry: respiratory-symptom research and preparation safety
- Page 8Elderberry with vitamin C and zinc: combinations need their own evidencethrough Making fenugreek seed powder: grind a small, dry batch
- Page 9Fenugreek seed tea: a kitchen infusion with uncertain health benefitsthrough Does ginger ale help an upset stomach? Ginger studies do not prove it does
- Page 10Ginger for allergic rhinitis: no significant difference is not proof of equivalencethrough Ginger for men: benefits, side effects and sexual claims
- Page 11Ginger for migraine prevention: a placebo-controlled trial was negativethrough Ginkgo and antidepressant sexual effects: improvement also occurred with placebo
- Page 12Ginkgo in a child ADHD trial: less effective than the active comparatorthrough Honey mushrooms and trees: a fruiting cluster can accompany root disease
- Page 13Hoodia: appetite claims without established weight-loss benefitthrough Fungi in mammal diets: spores in droppings reveal dietary patterns
- Page 14Mango ginger is a named spice plant, not a proven therapeutic formulathrough Which mushroom is best for inflammation?
- Page 15Can mushrooms cause inflammation in some people?through Plantago ovata: identifying the plant behind a psyllium name
- Page 16What plants contain DMT? Botanical sources and distinctionsthrough Rhodiola and cortisol: one trial measured the awakening response
- Page 17How does rhodiola work in the brain and body?through Making saffron tincture at home: food infusion versus extract
- Page 18Can saffron be poisonous?through Is a squash a gourd? Why the names overlap
- Page 19St. John’s wort: depression evidence and major medication interactionsthrough Can turmeric treat a fungal infection?
- Page 20Turmeric gargle for radiation mucositis: an active-comparator studythrough Turmeric tea benefits: a drink is not a clinical extract
- Page 21Turmeric tea for weight loss: three flavor ideas without a fat-burning claimthrough How can you tell whether a wild mushroom is edible?
- Page 22Glycine soja in soybean research refers to a plant, not a glycine supplementthrough Zinc for crops: need varies with the plant and the soil
Collagen for eczema: skin hydration claims are not eczema treatment evidence
Collagen supplements are not an established treatment for eczema. Research on skin hydration or appearance does not show that a powder controls eczema flares, treats infection or replaces a suitable skin-care plan.
Collagen, inflammation and immunity: mechanisms are not a treatment plan
Collagen has roles in tissue structure and immune signaling, but oral collagen is not an established general immune booster or treatment for autoimmune disease. Evidence about a particular collagen form and joint outcome cannot be applied to every inflammatory condition.
Comfrey: oral liver toxicity and the limits of topical evidence
Topical pain research does not make comfrey tea or capsules safe.
Cordyceps: stamina claims and the evidence gap
What mixed exercise findings and preliminary laboratory work can tell you about cordyceps supplements.
A Cordyceps-containing blend trial: the longer phase had only ten volunteers
An exercise study tested a mushroom mixture, with 28 participants at one week and a much smaller extension at three weeks.
Cordyceps Cs-4 pilot: exercise thresholds and maximum capacity differed
An older-adult pilot reported changes in exercise thresholds, while maximal oxygen consumption remained unchanged.
Cranberry: recurrent-UTI prevention is different from treatment
Understand the evidence, product differences and when urinary symptoms need medical care.
Cranberry juice and recurrent UTI: a blinded trial in college women
This specific beverage regimen did not lower culture-confirmed recurrence.
Cranberry PACs: a constituent measure is not a treatment claim
PACs are proanthocyanidins found in cranberries. Their proposed role in bacterial adhesion helps explain research interest, but a PAC number alone does not establish that a product prevents or treats a urinary infection.
Crepe ginger: a spiral-leaved ornamental, not culinary ginger
Crepe ginger belongs to the spiral-ginger group in Costaceae. Its common name should not be used to transfer culinary-ginger properties to the plant.
Crocetin half-life: one compound is not the whole saffron product
A small pharmacokinetic study measured crocetin in plasma after single doses. Its timing values cannot establish when every saffron constituent or effect disappears.
Is a cucumber a squash? Related crops, different genera
Cucumbers and squash are cucurbits, but an ordinary cucumber is Cucumis sativus rather than a Cucurbita squash.
Are ginger leaves edible? Confirm culinary ginger first
Leaves of culinary ginger have documented food uses, including tea. The name ginger also applies to other plants, so species and food-grade sourcing matter.
Culinary ginger soil: organic matter helps, but cold wet roots remain a problem
Zingiber officinale grows best with organic-rich soil and suitable moisture. Watering needs differ between a newly planted rhizome and an actively growing plant.
Curcumin added to mesalamine: a short active-colitis trial
A small trial found clinical remission with adjunctive treatment.
Does curcumin lower blood pressure, and how quickly?
Curcumin’s blood-pressure evidence is inconsistent. Some reviews report small average reductions, while another found no significant overall effect. There is no dependable number of days until turmeric lowers a person’s blood pressure, and it should not replace prescribed hypertension treatment.
Does curcumin lower cholesterol? Size of effect and timing
Curcumin may modestly improve some lipid measurements, but results vary substantially across studies. A 2025 umbrella review found small average LDL and triglyceride reductions with very high heterogeneity. That does not establish a predictable response time, a replacement for statins or proof of fewer cardiovascular events.
Curcumin and depression: a later-period symptom signal
Early improvement occurred with both curcumin and placebo.
Curcumin in foods and supplements: amount, absorption and timing differ
Turmeric is the familiar culinary source of curcumin, but foods seasoned with turmeric do not contain a fixed therapeutic amount. Absorption depends on the preparation. Neither a preferred meal nor a morning-versus-evening rule establishes a benefit from every curcumin product.
Curcumin for functional dyspepsia: symptom improvement is diagnosis-specific
A placebo-controlled study found improved dyspepsia symptoms with a curcumin preparation. The result does not establish treatment for every cause of an upset stomach.
Curcumin and gallbladder contraction: movement is not proof of benefit
A small ultrasound experiment found gallbladder contraction after curcumin in healthy volunteers. It did not test treatment of gallstones or other gallbladder disease.
Curcumin and memory: a small 18-month trial needs a narrow reading
A named curcumin preparation produced favorable findings on selected memory and attention measures in adults without dementia. It did not establish dementia prevention or equivalence to culinary turmeric.
Curcumin phytosome side effects: absorption does not guarantee safety
Curcumin phytosome is an enhanced-delivery preparation, not a promise of fewer side effects. Gastrointestinal symptoms, possible liver injury and the complete formula deserve attention. A manufacturer’s tolerability claim cannot establish safety for every user.
Piperine and curcumin absorption: higher blood exposure is not a clinical benefit
A pharmacokinetic experiment found much higher curcumin blood exposure when piperine accompanied it. The often-quoted percentage describes exposure under experimental conditions, not a multiplied health benefit.