Tag

Vitamin C

All articles tagged with #vitamin c

health-and-science25 days ago•2 min saved

Vitamin C May Counteract 'Ferro-Aging' by Blocking Iron-Driven Cellular Decay

A 2026 study in Cell Metabolism identifies 'ferro-aging' as a key driver of biological decline, caused by gradual iron accumulation in tissues that damages cell membranes. Researchers found that vitamin C directly inhibits the enzyme ACSL4, which drives this process. In a 40-month trial, older monkeys given vitamin C showed reduced ferro-aging markers, improved organ health, and reversed biological age clocks. While ferro-aging differs from rapid cell death (ferroptosis), it causes slow, cumulative damage to high-energy organs like the heart, liver, and brain. The findings suggest vitamin C supplementation may be a low-cost, accessible strategy to mitigate age-related cellular wear, though more human trials are needed.

via MindBodyGreen|

#biological-aging #cell-metabolism #ferro-aging

health-and-beauty1 month ago•8 min saved

Dermatologists Guide Fall Skincare: Vitamin C, Hydration, and Serum Selection

As fall approaches, dermatologists recommend vitamin C to combat summer UV damage and oxidative stress. While it brightens skin and supports collagen, it is not a substitute for sunscreen. Experts advise selecting serums based on specific skin concerns, using opaque packaging to preserve active ingredients, and allowing eight to twelve weeks for visible results.

via TODAY.com|

#dermatology #fall-routine #health-and-beauty

health-and-beauty1 month ago•10 min saved

Dermatologists Identify 11 Key Ingredients to Counteract Age-Related Collagen Loss

Collagen production naturally declines in the mid-to-late 20s, accelerating with environmental stressors like pollution and UV exposure. Dermatologists advise using topical ingredients to support skin matrix integrity, hydration, and firmness. Key active components include retinoids, vitamin C, peptides, niacinamide, growth factors, hyaluronic acid, ceramides, sunscreen, alpha hydroxy acids, bakuchiol, and PDRN. These ingredients function by stimulating synthesis, protecting against degradation, or improving the skin barrier. While prescription options exist, over-the-counter products are recommended for general maintenance, with caution advised for potent actives like retinoids and exfoliating acids to prevent irritation.

via Vogue|

#collagen-support #health-and-beauty #pdrn

health-and-beauty1 month ago•9 min saved

Dermatologists Detail the Science and Strategy Behind Fading Age Spots

Age spots, or solar lentigines, result from prolonged UV exposure that causes melanocytes to overproduce pigment. While topical treatments like vitamin C, retinoids, and acids can gradually fade these marks, in-office procedures like lasers and chemical peels offer faster results. Experts emphasize that consistent daily use of tinted mineral sunscreen is critical to prevent new spots and protect against visible light, which standard sunscreens may miss. A 12-week commitment is necessary to see significant changes, and starting prevention in the mid-20s is recommended for those prone to hyperpigmentation.

via Vogue|

#dermatology #health-and-beauty #retinoids

health1 month ago•6 min saved

Vitamin C’s Cold-Fighting Reputation Outpaces Its Actual Benefits

While vitamin C was popularized as a cold prevention tool by Nobel laureate Linus Pauling, modern research shows it does not prevent colds. Regular intake may slightly reduce the severity of symptoms for specific groups, but starting supplementation after symptoms appear offers no benefit, and high doses carry health risks.

via SciTechDaily|

#common-cold #health #linus-pauling

health2 months ago•8 min saved

The Myth of the Vitamin C Cold Cure: From Pauling’s 1970 Book to Modern Evidence

The belief that high-dose vitamin C prevents or cures the common cold stems largely from chemist Linus Pauling’s 1970 book, which recommended 1,000–2,000mg daily. Modern meta-analyses show vitamin C does not reduce cold incidence in the general population, though it may slightly shorten severe symptoms by about 10% for those taking it regularly. Experts warn that mega-doses offer no extra protection and can cause side effects, while whole fruits provide superior nutritional value compared to synthetic supplements.

via The Conversation|

#common-cold #health #health-myths

health3 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

health3 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

science4 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

health4 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

health4 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

science4 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

health4 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

health4 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

beauty4 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