Tag

Vitamin C

All articles tagged with #vitamin c

beauty4 days ago•10 min saved

Fall Skin Reset: Dermatologist-Approved Vitamin C Picks for 2026

Dermatologist Dr. Michelle Henry notes that vitamin C acts as an antioxidant to brighten, hydrate and protect skin as humidity drops, with sunscreen remaining essential. The piece compiles a broad list of vitamin C products—serums, moisturizers, masks, eye cream, and body creams—from brands like Vichy, Cetaphil, L’Oréal, Sol de Janeiro, Sunday Riley, Avène, Ole Henriksen and Nécessaire, featuring a mix of pure and derivative forms, fragrance-free options, and fall-friendly formulas to suit different skin concerns and preferences.

via TODAY.com|

#beauty #dermatologist #fall-skincare

beauty8 days ago•11 min saved

Collagen-Boosting Skincare: 11 Ingredients Dermatologists Recommend

Vogue’s beauty guide lists 11 skin-care ingredients that help protect or boost collagen as production naturally declines with age: retinoids (with sun-sensitivity considerations), vitamin C as a collagen-synthesis cofactor, copper peptides for repair, niacinamide for barrier support, growth factors to signal renewal, plus hyaluronic acid, ceramides, sunscreen, AHAs, bakuchiol (retinol alternative), and PDRN. Each ingredient supports collagen through various mechanisms—synthesis, barrier health, hydration, and repair—while editors caution against over-exfoliation and irritation and recommend introducing actives gradually and pairing retinoids with hydrating ingredients.

via Vogue|

#beauty #growth-factors #niacinamide

health9 days ago•11 min saved

A Dermatologist-Backed Plan to Fade Sun-Induced Age Spots

Age spots (solar lentigines) come from sun exposure and can fade with consistent use of topicals like vitamin C, azelaic acid, tranexamic acid, and retinoids, plus daily sunscreen (tinted mineral SPF to block visible light). For faster results, in-office options such as lasers or peels help. Expect 8–12 weeks to see fading, longer for deeper spots; start prevention in your 20s and have a dermatologist confirm spots aren’t melasma, PIH, or skin cancer when they change.

via Vogue|

#age-spots #health #hyperpigmentation

health10 days ago•7 min saved

Vitamin C Won’t Prevent Colds, But May Lightly Ease Severe Symptoms in Some People

Regular vitamin C does not reduce the risk of catching a cold, but meta-analyses suggest a modest benefit for those who take it consistently: about 8–14% less severe symptoms in children and adults, and roughly a 15% reduction in days with severe symptoms among groups like athletes and military personnel. Starting vitamin C after symptoms begin provides no benefit. High daily doses (>1,000 mg) can cause GI problems, kidney stones, and drug interactions; upper limits vary by country (US ~2,000 mg; Australia ~1,000 mg), while typical daily needs are far lower (Australia ~45 mg). Since deficiency is rare, most people don’t need supplements—consult a GP if considering it.

via SciTechDaily|

#common-cold #health #linus-pauling

health18 days ago•11 min saved

Vitamin C and the Cold: Debunking the Nobel Prize’s Cure Claim

Linus Pauling’s 1970s push for mega-doses of vitamin C didn’t turn into a proven cold cure. While some meta-analyses show only modest benefits—regular intake of 1,000 mg+/day may reduce severe cold symptoms by about 15% for certain groups, and some analyses note reduced severity in athletes—there’s no consistent evidence that vitamin C prevents catching a cold or shortens mild illness when started after symptoms begin. Safe upper limits vary by country (US around 2,000 mg/day; Australia ~1,000 mg/day; general daily needs about 45 mg), and high doses can cause GI issues, kidney stones, or interact with other treatments. If considering supplements, discuss with a GP and keep intake well below 1,000 mg/day. Overall, vitamin C is not a cure or a reliable preventive for colds; any benefit is small and conditional.

via The Conversation|

#common-cold #health #linus-pauling

health2 months ago•6 min saved

Vitamin C Levels Linked to Brain Structure in Aging Adults

A study of 2,044 older adults in Japan found that lower plasma vitamin C levels are associated with reduced gray matter volume and weaker connectivity in the brain's default mode network, suggesting nutrition may support healthy brain aging, though the study is observational and does not prove causation.

via ScienceDaily|

#aging #brain-health #default-mode-network

health2 months ago•6 min saved

Vitamin C in Blood Linked to Healthier Aging Brain, Large Study Finds

A study of 2,044 older adults (median age 69) found that higher blood vitamin C levels are associated with healthier brain structure—higher grey matter volume—and stronger connectivity in the brain's default mode network on MRI, even after adjusting for age and health factors. The study is observational (cross-sectional), so it shows association, not causation, and researchers caution that vitamin C is not a dementia cure. The article notes vitamin C’s antioxidant role and involvement in neurotransmitter production, and suggests obtaining vitamin C through a balanced diet (e.g., citrus, amla, guava, kiwifruit, peppers, leafy greens) rather than unsupervised supplementation.

via The Times of India|

#aging-brain #default-mode-network #grey-matter

science2 months ago•7 min saved

Vitamin C Linked to Preserved Brain Structure in Aging, Study Finds

A large cohort study of 2,044 Japanese adults aged 64+ found that lower plasma vitamin C levels were associated with reduced gray matter volume and weaker connectivity in the brain’s default mode network, suggesting nutrition may influence brain aging. The findings show associations, not causation, and the researchers call for longer-term, more diverse studies to understand underlying mechanisms.

via SciTechDaily|

#brain-aging #default-mode-network #neuroimaging

health2 months ago•5 min saved

Vitamin C linked to preserved brain structure in older adults

In a Japanese study of about 2,000 older adults, higher blood plasma vitamin C levels were linked to better-preserved brain gray matter and stronger connectivity in the default mode network, even after adjusting for age, smoking, diabetes and other factors. While the finding suggests vitamin C status may play a role in brain health, the study is observational and cannot prove causation, with limitations including a single blood measurement and limited generalizability beyond older Japanese adults. The results highlight dietary vitamin C sources rather than supplements as a potential piece of the broader brain-health puzzle.

via New York Post|

#brain-aging #default-mode-network #gray-matter

health2 months ago•7 min saved

Vitamin C May Help Preserve Brain Structure in Older Adults

A Japanese observational study of 2,044 older adults found higher blood levels of vitamin C were linked to healthier brain structure—larger gray matter volume and stronger connectivity in the brain’s default mode network—independently of age, smoking, diabetes, and other factors. The study used plasma measurements rather than dietary estimates and cannot prove causation. Researchers caution results may not generalize beyond mostly older Japanese participants and note limitations like a single blood measurement; they suggest maintaining vitamin C through diet (citrus, berries, tomatoes, leafy greens) as a potential way to support brain health, while calling for more research.

via Fox News|

#aging #brain-health #default-mode-network

science2 months ago•6 min saved

Blood Vitamin C Linked to Stronger Brain Connectivity in Aging

A study of 2,044 older Japanese adults found that higher blood levels of vitamin C are associated with greater gray matter volume and stronger connectivity in the brain's default mode network, suggesting vitamin C may help support brain health and potentially slow age-related cognitive decline, though causation isn't proven and replication in longitudinal, diverse groups is needed.

via ScienceAlert|

#aging #brain-health #default-mode-network

health2 months ago•11 min saved

Cheap frozen and canned produce can match fresh nutrition—watch for additives

Amid cost‑of‑living pressures, frozen and canned fruit and vegetables are cheaper, last longer and can largely match the nutrition of fresh options for most nutrients; freezing preserves nutrients well and can even boost vitamin C in some cases, while canning can reduce certain water‑soluble vitamins. There's a small risk of Listeria with some frozen products, mitigated by cooking. When shopping, choose no‑salt‑added or juice‑packed options, drain and rinse to lower sodium, and use dried beans/lentils for value; dried fruit should be limited due to high sugar content. Overall, these pantry staples can substitute for fresh in many meals with mindful choices and preparation.

via The Conversation|

#canned-vegetables #frozen-fruit #health

health2 months ago•7 min saved

Low Vitamin C Levels Linked to Reduced Gray Matter and Brain Connectivity in Aging

A study of about 2,000 adults over 64 found that lower blood plasma vitamin C is associated with reduced gray matter volume and weaker connectivity in the brain's default mode network, suggesting vitamin C status may relate to brain aging, though the results are observational and longitudinal research is planned to explore causality and cognitive impacts.

via Medical News Today|

#brain-aging #default-mode-network #gray-matter

beauty3 months ago•8 min saved

Eight Skincare Staples to Preserve Your Collagen

Vogue Beauty highlights eight key ingredients—retinoids, vitamin C, peptides, niacinamide, growth factors, hyaluronic acid, ceramides, and sunscreen—that actively protect and support collagen by boosting production, reducing breakdown, improving hydration, and fortifying the skin barrier, while noting potential irritation and the need for sun protection.

via Vogue|

#beauty #collagen #hyaluronic-acid

health3 months ago•9 min saved

High-Dose IV Vitamin C Reemerges as a Potential Cancer Therapy

Very high-dose vitamin C given intravenously can reach blood levels far beyond what tablets achieve, where it may generate hydrogen peroxide that selectively damages cancer cells while sparing normal cells; early trials show mixed results—potential improvements in quality of life and some signals of benefit alongside standard treatments, but no definitive survival advantage yet, making it experimental and appropriate only within clinical trials or supervised settings, not as a general cancer cure.

via SciTechDaily|

#cancer #clinical-trials #health