257 articles · Page 11 of 11
Browse all 11 pages
- Page 1Is Alaya collagen good? Ingredients, evidence and limitationsthrough Citicoline memory trial: secondary benefits need their endpoint labels
- Page 2Citicoline after acute stroke: ICTUS found no recovery benefitthrough What is collagen induction therapy? Microneedling benefits and limits
- Page 3Where collagen is found in the skinthrough Collagen or glucosamine for arthritis? No universal winner
- Page 4Collagen for weight loss: body-composition findings are not a guaranteed fat-burning effectthrough Creatine in Parkinson’s disease: a large trial stopped for futility
- Page 5Dentin is mineralized tissue with a collagen-containing matrixthrough Does glutathione lower cholesterol?
- Page 6Glutathione during pregnancy: biology is not a supplement recommendationthrough Lipoic acid in progressive MS: walking benefit was not demonstrated
- Page 7Liquid collagen versus pills: format alone does not establish better resultsthrough NAC for hair pulling: adult and pediatric trials disagreed
- Page 8NAD supplements: forms, dosing and evidence limitsthrough Quercetin in rheumatoid arthritis: symptoms and joint counts differed
- Page 9Does quercetin help with weight loss?through Type II collagen for joints: form, benefits and safety
- Page 10UC-II knee trial: symptom improvement does not establish cartilage regrowththrough Can vitamin C enter through skin? Delivery depends on the formulation
- Page 11Vitamin C is not the same as an exfoliating acidthrough Zinc-carnosine and aspirin-related small-bowel injury: a pilot study
Vitamin C is not the same as an exfoliating acid
The word acid in ascorbic acid does not make vitamin C interchangeable with salicylic or glycolic acid. A serum may contain both vitamin C and a separate exfoliating ingredient.
Can vitamin D deficiency cause brain fog? What the evidence can tell you
Brain fog is a description of difficulty thinking clearly, not a diagnosis of vitamin D deficiency. Vitamin D and cognition have been studied, but those findings cannot establish that a low level explains an individual episode of poor concentration. Persistent symptoms deserve assessment, and sudden confusion needs immediate medical help.
Does vitamin D deficiency increase shingles risk? Evidence and prevention
Vitamin D deficiency is not established as a stand-alone cause of shingles. A systematic review found the vitamin D and herpesvirus evidence inconclusive and largely restricted to immunosuppressed populations. Age and weakened immunity are better-established risk factors, and vaccination remains a distinct evidence-based prevention measure.
Vitamin D and knee cartilage: higher blood levels did not improve the main outcomes
A two-year trial raised vitamin D levels without significant benefit for cartilage volume or knee-pain scores.
Does vitamin D3 lower PSA? What controlled evidence shows
Vitamin D3 is not established as a reliable way to lower PSA or treat prostate cancer. A review found no significant PSA benefit in controlled trials, even though some uncontrolled studies looked more favorable. A raised PSA needs interpretation and follow-up, not a supplement chosen simply to change the number.
Vitamin E cream: assess moisturizing effects separately from treatment claims
A cream containing vitamin E may serve as a skin-care product, but its ingredient name does not establish scar removal, stretch-mark prevention or suitability for every skin type.
Vitamin E for dark spots and pimple marks: why capsule remedies are uncertain
Vitamin E capsules are not an established skin-whitening or acne-mark treatment. Dark discoloration and a structural scar are different problems. Identify the cause and use a suitable skin-care plan rather than assuming an antioxidant oil will correct both.
Vitamin E for eyelashes: conditioning is not proven regrowth
The inspected nutrition and dermatology guidance does not establish vitamin E oil as an eyelash-growth treatment. A product that coats hair is not necessarily stimulating new growth, and an oral capsule or ordinary body oil is not automatically suitable near the eyes.
How long does vitamin E oil last? Use the finished product’s instructions
Vitamin E oil can mean different blends and packages, so it has no single universal shelf life. Storage, opening and contamination affect the finished product.
Vitamin E oil for skin and hair: uses, timing and evidence limits
Vitamin E oil is a product description, not a single standardized formula. A skin oil may help a moisturizing routine, but vitamin E’s antioxidant role does not establish that it removes scars, grows hair or works better at night. Use the formulation intended for the area being treated.
Vitamin E has not shown reliable prevention or fading of stretch marks
AAD reports that vitamin E did not prevent or fade stretch marks in the studies it summarizes. Moisturizing the surface is different from reversing the underlying scar.
Vitamin E under the eyes: choose a suitable formula and realistic goal
A tolerated eye-area moisturizer may help dryness, but vitamin E alone does not establish treatment for dark circles, puffiness or wrinkles. Use a product intended for the area and avoid turning an oral supplement into a homemade eye preparation.
Vitamin E for wound healing: nutrition and scar appearance are different claims
Adequate nutrition helps healing, but that does not establish extra vitamin E or capsule oil as a way to close wounds faster. Evidence for topical vitamin E improving scar appearance is inconsistent, and it can irritate skin.
What vitamin F means for skin and nutrition
Vitamin F is an older name for essential fatty acids, not a separate vitamin. Dietary adequacy and the performance of a skin-care formula are different questions.
What lowers CoQ10 levels? Medicines, age and deficiency
Statin treatment can lower CoQ10 production and circulating levels, and levels can vary with age and health conditions. A low blood value is not automatically proof of a tissue deficiency or a need for supplementation. Rare inherited CoQ10 deficiency is a separate medical condition.
Why skin ages: tissue changes, sunlight and other exposures
Skin aging reflects both time-related structural changes and external exposures. It cannot be reduced to one missing collagen ingredient or one vitamin.
Zinc-carnosine and aspirin-related small-bowel injury: a pilot study
The abstract mainly reports within-group changes, leaving the comparative effect uncertain.