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Published on: 1/12/2026
ACV may modestly support erectile function after 65 by improving insulin sensitivity, weight control, and circulation, but it is not a cure and there are several factors to consider. See below for important limitations and how your overall health and medications could change the risks and benefits. Key interactions to know: higher risk of low blood sugar with metformin, insulin, or sulfonylureas; low potassium and possible digoxin toxicity when combined with diuretics; more stomach irritation with aspirin or clopidogrel; and while ACV does not directly affect sildenafil or tadalafil, the usual nitrate plus PDE5 warning still applies. Start with small diluted doses and talk to your clinician; dosing tips, monitoring advice, and red flags that should prompt urgent care are outlined below.
Erectile dysfunction (ED) affects many men over 65. Apple cider vinegar (ACV) has gained attention for its potential to improve insulin sensitivity, promote weight loss and support circulation—all factors that may influence erectile function. However, men in this age group are often on multiple medications, and ACV can interact with them. Below is what you need to know to use ACV safely.
Although direct research on ACV for ED is limited, several mechanisms suggest potential benefit:
Improves insulin sensitivity
– A 2004 study (Johnston et al.) found that 20 g ACV before a high-carb meal lowered post-meal blood sugar.
– Lower blood sugar helps protect blood vessels and nerves crucial for erections.
Supports weight management
– ACV may curb appetite and slow gastric emptying, aiding modest weight loss.
– Excess weight is linked to ED through hormonal and vascular changes.
Encourages healthy circulation
– Better blood sugar and weight control reduce arterial stiffness.
– Improved blood flow can enhance erectile function.
Limitations: No large clinical trials show ACV alone cures ED. Think of it as a complementary strategy, not a replacement for proven treatments or lifestyle measures (exercise, diet, quitting smoking).
Start Low
– Begin with 1 teaspoon diluted in a large glass of water, once daily.
– Increase gradually to 1–2 tablespoons if well tolerated.
Avoid Undiluted ACV
– Straight vinegar can erode tooth enamel and irritate the throat and stomach lining.
Time It Wisely
– Take ACV before meals to help blunt blood sugar spikes, not on an empty stomach if you have ulcers or reflux.
Watch for Side Effects
– Signs of low potassium: muscle weakness, cramps, irregular heartbeat.
– Signs of low blood sugar: sweating, shakiness, rapid heartbeat, confusion.
Keep Your Doctor Informed
– Always tell your healthcare provider if you add ACV to your routine, especially if you take prescription medications.
ED after age 65 can signal underlying health issues such as cardiovascular disease, diabetes or hormonal imbalances. If you experience any of the following, seek prompt medical attention:
For non-urgent concerns but persistent or worsening ED, schedule an appointment to review your medications, overall health and treatment options.
If you’re unsure what’s driving your symptoms or whether ACV use is right for you, try a free, online symptom check. It can help you decide if you need to see a specialist or adjust your current treatment.
Apple cider vinegar may offer modest benefits for factors linked to erectile function—blood sugar control, weight management and circulation. However, men over 65 often take multiple medications, and ACV can interact in ways that raise the risk of hypoglycemia, low potassium, gastric irritation or altered drug absorption.
Always:
Incorporating ACV safely into your routine involves awareness, professional guidance and regular check-ups. Prioritize open communication with your healthcare team to optimize both your cardiovascular health and erectile function.
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