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© 2026 NutriFit. All rights reserved.V1.0.2348 · 2025–2026

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Knowledge · General

The complement system: C3a, C5a and the boundary between protection and injury

How complement pathways generate C3b, anaphylatoxins and C5b–9; why endothelial injury is tissue-specific and what positive, negative and retracted clinical findings show.

October 9, 2026
Knowledge · Supplements

Pycnogenol: procyanidins, metabolites and the limits of vascular and anti-inflammatory effects

How standardized pine bark extract becomes metabolites, what is known about eNOS, COX and 5-LOX, and where clinical trials show positive or negative results.

October 9, 2026
Knowledge · General

The endothelial glycocalyx: hyaluronan, shear stress, and the vascular barrier

HS, HA, syndecan and glypican architecture; shear signaling, eNOS, SOD3, and antithrombin. Revised Starling forces, rheology, renal and brain barriers, indirect PBR and biomarkers, and positive and negative repair trials.

October 8, 2026
Knowledge · Labs and diagnostics

Asymmetric dimethylarginine: ADMA metabolism and vascular risk

ADMA release from methylated proteins, DDAH1 and DDAH2 catalytic evidence, AGXT2, arginine transport, and NOS inhibition. Clinical associations, measurement methods, and why a reference interval is not a treatment threshold.

October 8, 2026
Knowledge · Labs and diagnostics

Glycemic variability and CGM: postprandial peaks and endothelium

Reading CV, TIR, and AGP; sensor chemistry, mitochondria, PARP/GAPDH, Brownlee's four branches, eNOS, and glycocalyx. Clinical findings, meal strategies, and limits of transferring targets between populations.

October 8, 2026
Knowledge · Supplements

Ginkgo biloba and EGb 761: PAF, rheology and cerebral blood flow

Detailed analysis of EGb 761 composition, PAF antagonism, erythrocyte rheology, endothelial NO and mitochondrial mechanisms. Clinical data on dementia, tinnitus, Raynaud's and glaucoma are compared with model limitations, interactions and specialist practice.

October 2, 2026