If you are looking to increase your testosterone levels, you may consider hormone replacement therapy (HRT). There is limited research on resveratrol's effect on testosterone levels. Later, studies found it had anti-inflammatory, anti-oxidant and cancer-fighting properties. Given that it's safe and that there's no known severe side effects, resveratrol is a supplement to consider taking. The evidence suggests resveratrol reduces inflammation, improves Testosterone levels, reduces estrogen and estradiol, is cardio-protective, and may increase fat oxidation. New evidence clearly demonstrates a decreased estrogen level in cells after the administration of resveratrol. Resveratrol supplementation has been shown to increase blood Testosterone levels 51.6% in animals. Singh and colleagues found an incredible 244 completed resveratrol trials. Regardless, that association between resveratrol and low cardiovascular disease ushered in a couple of decades of intensive resveratrol research. This paradox was attributed to the resveratrol found in the red wine (courtesy of the grape). The most optimised natural testosterone booster ever developed. Studies on animals show that the substance can boost testosterone directly and inhibit aromatization. It also inhibits fat cell formation and can aid in weight loss. Trans-resveratrol powder was found to be stable under "accelerated stability" conditions of 75% humidity and 40 °C in the presence of air. Formal chemical name (IUPAC name) of resveratrol is E-5-(4-hydroxystyryl)benzene-1,3-diol. The chemical structure of resveratrol (trans-3,5,4′-trihydroxystilbene) is identified in two isomeric forms, cis- and trans-resveratrol (Figure 1). Among these families, Dipterocarpaceae, containing 50 resveratrol’s, accounts for the majority, being involved 7 Dipterocarpaceae genera, including Vatica, Vateria, Shorea, Hopea, Neobalanocarpus, Dipterocarpus and Dryobalanops . The safety of L-citrulline has been evaluated in patients (1.5 g/d) and rats (approximately 2 g/d) with ED 18,19. The applied dose of L-citrulline in the present and previous studies was 800 mg/d. Previous studies reported that testofen administered at a dose of 600 mg/d is safe and effective in healthy aging males 7,16. Notable placebo effects have been reported in various therapeutic areas, especially in clinical investigations using patient-reported outcome measures . In a previous randomized placebo-controlled study, the greatest placebo response occurred in participants younger than 45 years old . Resveratrol increases endothelial nitric oxide synthase expression and improves endothelial function by activation of sirtuin 1, which then promotes endothelium-dependent vascular relaxation . What are the best foods to consume to increase resveratrol intake? Some studies have shown effects within a few weeks, while others require longer durations. How long does it take to see results from resveratrol supplementation? Obtaining resveratrol from food sources like grapes and berries is generally considered safe and healthy. Is it better to get resveratrol from supplements or food sources? It’s crucial to discuss resveratrol supplementation with your doctor, especially if you are taking any medications. However, it’s not a substitute for medical treatment for clinically low testosterone.