VEGF, vascular endothelial growth factor
A 2016 study noted its impact on reducing gut inflammation and protecting against ulcers

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Nutritional support Adequate protein intake provides the amino acid substrate for tissue repair
In line with BSSM guidance and testosterone SmPCs (e.g., Nebido), TRT should be paused or the dose reviewed if haematocrit exceeds 0.54
Because sulfur is not the issue with allergic or sensitivity reactions, people that have a reaction to sulfites or sulfa drugs should not react to sulfur containing supplements