Dr. Marie Gabrielle Laguna Internal Medicine Clinic

14/04/2026

Breakthrough research from Columbia University reveals that PM2.5 air pollution doesn't just damage your lungs—it enters your bloodstream to trigger "metabolic chaos," irregular heart rates, and systemic inflammation. However, high-dose B-vitamin supplementation (B6, B12, and Folate) acts as a pharmacological shield, nearly reversing these toxic effects by protecting the "methyl tags" on your DNA that keep inflammatory genes switched off.

https://marielaguna.com/b-vitamins-heart-protection-air-pollution/

New research shows that B vitamin supplements can nearly reverse the negative effects of air pollution on the heart and immune system. Dr. Marie Laguna explores the epigenetic shield of B complex vitamins.

13/04/2026

Exercise creates Reactive Oxygen Species (ROS)—the very "free radicals" we’ve been taught to fear. However, these molecules act as a critical fire alarm that tells your cells to build more mitochondria and activate repair genes. When you "pre-load" with 1000 mg of Vitamin C, you are essentially cutting the wires to that alarm, performing the hard work of training without allowing your body to adapt and grow stronger.

https://marielaguna.com/antioxidant-paradox-vitamin-c-e-exercise-gains/

High-dose vitamin C and E supplements can blunt muscle adaptation and mitochondrial growth. Dr. Marie Laguna explores the 2026 science of exercise hormesis.

12/04/2026

For decades, glaucoma was treated as a mechanical plumbing problem, but groundbreaking 2025 research from the Karolinska Institutet reveals it is actually a metabolic "power plant" failure. When the retina loses its ability to utilize B-vitamins, nerve cells "starve" of energy, making them vulnerable to damage even when eye pressure is well-managed.

https://marielaguna.com/b-vitamins-glaucoma-retinal-metabolism-prevention/

Discover the 2025 Karolinska Institutet study on how a specific B-vitamin mix halts optic nerve damage in glaucoma by restoring retinal metabolism. Dr. Marie Laguna explains.

11/04/2026

By combining the amino acid L-arginine with antioxidant Vitamins C and E, you can stimulate the production of Nitric Oxide—the "miracle molecule" of vascular health. This gas acts as a natural vasodilator and anti-inflammatory, ensuring your blood vessels stay relaxed and "slippery" even under the high shear stress of modern life.

https://marielaguna.com/online-doctor-philippines-l-arginine-heart-health/

Nobel laureate Dr. Louis Ignarro reveals how L-Arginine and antioxidant vitamins synergistically prevent atherosclerosis and inflammation in blood vessels.

10/04/2026

Folate does more than just repair DNA; it acts as an external signal that "knocks on the door" of your stem cells to trigger regeneration. This discovery proves that your diet speaks directly to your body's repair kit, potentially reversing the cellular dormancy that leads to thinning skin and a weakened intestinal lining as we age.

https://marielaguna.com/folate-signaling-stem-cell-regeneration/

New research reveals that folates act as signaling molecules to stimulate stem cell growth. Dr. Marie Laguna explains how this impacts longevity, tissue repair, and aging.

09/04/2026

High levels of homocysteine act as a neurotoxin, damaging brain blood vessels and accelerating atrophy. B6, B12, and Folate (B9) serve as the biological "cleanup crew," converting this harmful amino acid into beneficial molecules. By lowering homocysteine, we can slow the progression of memory loss and protect the brain's "functional reserve" before irreversible damage occurs.

https://marielaguna.com/online-doctor-philippines-b-vitamins-brain-health/

Discover how high-dose B-complex vitamins can reduce brain shrinkage by half and slow the progression of memory loss. Dr. Marie Laguna explains the homocysteine ​​connection.

08/04/2026

A specific "cocktail" of Vitamins A, C, and E plus Magnesium has been shown to block up to 80% of noise-induced hearing loss in biological models. This micronutrient shield works by neutralizing free radicals and keeping blood vessels open, preventing the permanent scarring that leads to lifelong silence.

https://marielaguna.com/vitamins-magnesium-hearing-loss-prevention/

Explore how a specific cocktail of vitamins and magnesium (AuraQuell) protects inner ear hair cells from noise-induced damage. Dr. Marie Laguna discusses the 2026 perspective on sensory longevity.

07/04/2026

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Internal Medicine, Geriatric Rehabilitation

07/04/2026

A 14-year study of 58,000 participants reveals that Folate (B9) and Vitamin B6 act as a molecular shield, significantly reducing the risk of death from stroke and heart failure. These vitamins work by recycling homocysteine, a "metabolic toxin" that acts like sandpaper on your arterial lining, causing the microscopic damage that leads to heart attacks.

https://marielaguna.com/online-doctor-philippines-folate-b6-heart-health/

A landmark Japanese study reveals how Folate and Vitamin B6 significantly lower the risk of stroke and heart failure. Dr. Marie Laguna explains the science of B-vitamins for longevity.

06/04/2026

Forget expensive serums that struggle to pe*****te your skin's oily barrier; new 2026 research proves that Vitamin C works best when you eat it. Consuming just 250mg daily—about two kiwifruits—delivers nutrients directly through your bloodstream to physically thicken every layer of your skin and accelerate cellular renewal.

https://marielaguna.com/vitamin-c-dietary-skin-health-otago-study/

05/04/2026

While supplements often fail to maintain Calcitriol—the active form of Vitamin D—regular indoor exercise has been proven to keep this vital hormone stable. This metabolic signal tells your kidneys to keep your immune defense and "Telomere Shield" sharp during the darkest months of the year.

https://marielaguna.com/online-doctor-philippines-winter-vitamin-d-exercise/

New 2025/2026 research proves moderate exercise prevents the winter Vitamin D dip. Learn how movement mobilizes stored Vitamin D and protects the active hormone 11,25(OH)₂D₃.

04/04/2026

If you are under 75 and generally healthy, the latest evidence shows no added benefit from mega-doses or routine blood screenings. Your biological "equilibrium" is best maintained with 600–800 IU daily, ideally sourced from a diet of fatty fish and fortified foods, which avoids the metabolic risks of over-supplementation.

https://marielaguna.com/new-vitamin-d-guidelines-2024-recommendations/