About Tomato Paste
Tomato paste is a thick and concentrated product made from cooked tomatoes.
Tomato paste is used to add flavor, color, and texture to various dishes, such as pasta, pizza, and stews.
Lysine Considerations
Lysine is an important amino acid that the human system needs to build proteins. It is one of the nine amino acids that the human system cannot make by itself, so it has to come from the food we eat.
Lysine has different functions in the body, such as helping with growth, healing, energy, immunity, and collagen production.
Lysine may also have some effects on the herpes virus, which causes cold sores and genital sores. Studies have suggested that taking lysine supplements or applying lysine cream may help prevent or treat these infections by blocking the amino acid arginine, which the virus needs to grow.
Tomato paste has a low amount of lysine, which is an essential amino acid that supports protein synthesis, collagen formation, and immune function.
Arginine Considerations
Arginine is a conditionally essential amino acid with a dual role: it is genuinely useful to your body for cardiovascular health and immune signalling, yet it is also the primary fuel the herpes simplex virus uses to replicate inside your cells.
When HSV-1 or HSV-2 reactivates, the virus commandeers intracellular arginine to assemble new viral capsids. Research published in the Journal of Nutrition has shown that depleting arginine availability — either through dietary restriction or by increasing lysine intake — can slow this process considerably. This is why monitoring the arginine content of foods matters for people managing recurrent outbreaks, even when absolute arginine levels seem low.
Tomato paste has a very low amount of arginine, which is a semi-essential amino acid that plays a role in wound healing, nitric oxide production, and urea cycle.
Lysine-Arginine Ratio Analysis
The ratio of lysine to arginine in a food item indicates the amount of these amino acids it contains. Lysine and arginine are both necessary for protein synthesis and other metabolic processes.
However, they have different effects on the herpes simplex virus, which causes cold sores and genital herpes. Lysine can prevent the replication of the virus, while arginine can stimulate it.
Eating foods with a higher lysine-arginine ratio may help lower the occurrence and severity of herpes outbreaks.
Examples of foods with a high lysine-arginine ratio include milk and cheese, fish, poultry, fruits, and vegetables. These foods can provide the body with enough lysine to compete with arginine, potentially reducing the risk of viral replication.
Because Tomato Paste contains slightly more lysine than arginine, increasing its consumption may benefit people who suffer from herpes, as it may boost the immune system.
Tomato paste has a high lysine-arginine ratio, which may be beneficial for people with herpes simplex virus (HSV) infections, as lysine may inhibit the replication of HSV, while arginine may enhance it.
Nutrient Density & Portion Control
Nutrient density is a measure of how rich a food is in amino acids relative to portion size. We calculate it as (Lysine + Arginine) / 100, which gives you a quick sense of how much total amino acid content is packed into each 100g serving.
Tomato Paste has a low nutrient density (1.84), which means it contains relatively lower amounts of these amino acids. You can safely enjoy larger portions of this food without worrying as much about amino acid balance, making it a flexible option in your herpes management diet.
💡 Tip: Use the density metric to quickly gauge portion control. High-density foods are nutrient-dense and should be enjoyed mindfully, while low-density foods give you more flexibility in serving sizes.
Dietary Considerations for Herpes Management
Category Overview
Most vegetables are not very high in in calories and a great source of in vitamins, minerals, and antioxidants. Many vegetables have more lysine than arginine, such as beets, turnips, tomatoes, soybean sprouts, potatoes, celery, sweet potatoes, summer squash, and green beans. These vegetables can help prevent or treat herpes outbreaks, as lysine can suppress the herpes virus. Other vegetables have more arginine than lysine, such as peas, carrots, broccoli, cauliflower, and mushrooms. These vegetables can still be consumed in moderation, as they have other health benefits.Tomatoes are a good source of lycopene, a powerful antioxidant. Unfortunately, they are also very acidic which may trigger a cold sore.
Cooking tomatoes can reduce their acidity while increasing the availability of lycopene, which can help fight viruses.
Practical Recommendations
Besides consuming foods with a high ratio of lysine to arginine, you should also follow some other dietary tips to cope with herpes outbreaks. For example:
A diverse and nutritious diet that supports your immune system and fights inflammation is essential. This means you should eat lots of fruits, vegetables, whole grains, lean protein, and healthy fats, and steer clear of processed foods, added sugars, alcohol, and caffeine, which can harm your health.
Stay well hydrated throughout the day. Dehydration stresses the body and can raise cortisol levels, which is a documented trigger for HSV reactivation. Aim for at least 1.5–2 litres of water daily, and compensate with extra fluid intake after exercise, in hot weather, or when consuming diuretics like coffee or alcohol.
L-lysine supplementation is one of the most widely used dietary interventions for herpes management. Clinical studies suggest a daily dose of 1,000–3,000mg can reduce outbreak frequency. If your diet is already rich in lysine-heavy foods like fish, eggs, and dairy, supplements can further tip the amino acid balance in your favour — particularly during high-stress periods when outbreak risk increases.
Taking other food supplements that can improve your immunity and protect your cells from oxidative stress, such as vitamin C, zinc, selenium, and antioxidants.
Your immune system can be weakened and inflammation can be increased by foods that can cause allergic reactions or sensitivities, such as gluten, dairy, nuts, eggs, or shellfish. Avoid these foods to prevent outbreaks.
Try eating foods that can enhance your immune system and reduce inflammation to avoid outbreaks. Some of these foods are honey, plain yogurt, aloe vera, and chamomile tea. They can also help you with your symptoms by easing pain, swelling, and itching, and accelerating your recovery.
Is Tomato Paste Safe for Shingles?
Yes, Tomato Paste is generally safe for shingles management. With a lysine-to-arginine ratio of 1.41, this food maintains a relatively balanced profile.
While it doesn't strongly favor lysine, it won't actively trigger viral reactivation either. Its balanced profile means it can fit comfortably into a shingles-aware diet without major restrictions. The key is pairing Tomato Paste with other lysine-rich foods to maintain overall dietary balance.
Enjoy Tomato Paste as part of a well-rounded diet. Consider combining it with lysine-rich proteins to shift your overall amino acid balance in your favor.
○ Moderately Safe: This food is fine to eat regularly, especially when balanced with lysine-rich options.
Medical Disclaimer: This information is for educational purposes only and should not replace professional medical advice. Always consult a healthcare provider before making significant dietary changes, especially if you have active shingles or a history of herpes infections.
Is Tomato Paste good or bad for herpes?
With a ratio of 1.41, Tomato Paste sits in a neutral range. It is unlikely to cause problems in moderate servings when overall diet is lysine-rich. The lysine-to-arginine ratio is the key metric: foods above 1.0 generally support herpes management, while foods below 1.0 require more careful portioning. Tomato Paste fits into the favourable category.
Is Tomato Paste high in arginine?
Tomato Paste is relatively low in arginine at 76.30mg per 100g. This level is manageable for most people when consumed as part of a balanced, lysine-rich diet.
How much lysine does Tomato Paste contain?
Its lysine content of 107.60mg per 100g provides a moderate amount of this protective amino acid. Because its lysine content exceeds its arginine content, Tomato Paste contributes positively to the overall amino acid balance in a herpes management diet.
Can I eat Tomato Paste if I have herpes?
Yes — Tomato Paste has a lysine-to-arginine ratio of 1.41, which is favourable for people managing HSV-1 or HSV-2. It can be enjoyed as part of a herpes-conscious diet without significant concern. Always consult your healthcare provider for personalised advice.
What is the lysine-arginine ratio of Tomato Paste?
The lysine-arginine ratio of Tomato Paste is 1.41, calculated from 107.60mg lysine and 76.30mg arginine per 100g serving. A ratio above 1 means lysine is the dominant amino acid, which is generally favourable for herpes management.
Does Tomato Paste trigger cold sores?
Tomato Paste is unlikely to trigger cold sores on its own. Its lysine-to-arginine ratio of 1.41 means it does not provide an excess of arginine that would feed the herpes simplex virus. If you notice a personal correlation between eating Tomato Paste and outbreaks, consider reducing your serving size.
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