Skip to product information
1 of 6

Natural Factors - L-Lysine, Supports Healthy Immune System Function, 90 Vegetarian Capsules

Natural Factors - L-Lysine, Supports Healthy Immune System Function, 90 Vegetarian Capsules

Regular price $43.54 AUD
Sale price $43.54 AUD Regular price
Save % Sold out

Buy more, save more

Natural Factors - L-Lysine, Supports Healthy Immune System Function, 90 Vegetarian Capsules

Regular price $43.54
Sale price $43.54 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • MB WAY
  • PayPal
  • Satispay
  • Shop Pay
  • Visa

Why Choose Natural Factors L-Lysine?

  • Immune Support: L-Lysine helps support a healthy immune system and plays a role in the body’s natural defence.*
  • Tissue and Bone Health: This nutritional supplement provides an essential amino acid involved in tissue growth, repair, and the production of hormones, enzymes, and bone tissue.*
  • Clean Formula: Free from artificial preservatives, colors, sweeteners, GMOs, gluten, dairy, and sugar. Suitable for vegetarians with vegetable capsules.
  • Quality Assurance: Third-party certified and manufactured in a GMP-compliant facility.

About Natural Factors

Natural Factors is a family-owned brand that is third-party certified and controls all stages of manufacturing to insure the highest quality supplements. Their L-Lysine supplement is made without artificial preservatives, colors, sweeteners, GMOs, gluten, dairy, and sugar, making it a clean choice for daily immune and tissue support. The company is committed to using pure, natural ingredients and follows Good Manufacturing Practices (GMP) to guarantee product integrity. With direct ownership of manufacturing, Natural Factors can oversee every step, from raw material selection to packaging.

What is L-Lysine?

L-Lysine is an essential amino acid that the body cannot produce on its own, making dietary supplementation important for overall health. As a building block of protein, L-Lysine plays a critical role in numerous bodily functions, including immune system support, tissue growth and repair, and the production of enzymes and hormones. Since the body cannot synthesise it, obtaining adequate amounts through diet or supplementation is crucial for maintaining optimal health. Natural Factors L-Lysine provides this vital nutrient in a convenient vegetarian capsule form, free from common allergens and artificial additives.

Benefits of L-Lysine Supplements

L-Lysine is widely recognised for its role in supporting a healthy immune system and contributing to the body's natural defence. It helps maintain tissue and bone health, as it is involved in tissue growth, repair, and the production of hormones, enzymes, and bone tissue. Additionally, L-Lysine aids in calcium absorption and supports bone integrity, making it a valuable supplement for long-term skeletal health. For individuals concerned about bone density as they age, adequate lysine intake is particularly important. Regular intake of L-Lysine may contribute to overall vitality and wellbeing by supporting these foundational bodily processes. Natural Factors L-Lysine is designed to support these essential functions with a clean ingredient profile, providing 1000 mg of free-form L-Lysine per serving.

How to Choose the Best L-Lysine Supplement

When selecting an L-Lysine supplement, quality and purity are paramount. Look for products that use free-form L-Lysine (L-Lysine HCl) for optimal absorption. Natural Factors L-Lysine is manufactured in a facility that adheres to strict quality control standards, is third-party certified, and is free from gluten, dairy, GMOs, artificial preservatives, colors, and sweeteners. Vegetarian capsules make it suitable for plant-based lifestyles. Additionally, choosing a reputable brand like Natural Factors, which controls the entire manufacturing process from raw material sourcing to final product, ensures consistency, potency, and safety. Third-party certification provides an extra layer of quality assurance.

How Much L-Lysine Should You Take?

Dosage recommendations for L-Lysine vary depending on individual needs. For general immune support and maintenance, a typical dose is 500–1000 mg daily. For targeted support during periods of stress, some individuals may take up to 3000 mg per day divided into multiple doses. Natural Factors L-Lysine provides 1000 mg per serving (2 capsules), with a suggested use of 2 capsules three times daily. This flexible dosing allows you to adjust based on your health goals. Always consult a healthcare professional before starting any new supplement regimen, especially if you are pregnant, nursing, or taking medications.

Frequently Asked Questions

How does L-Lysine support immune health?

L-Lysine supports a healthy immune system by contributing to the body's natural defence. It plays a role in the production of antibodies and helps maintain overall immune function. For optimal results, use as part of a balanced diet and healthy lifestyle.

Is L-Lysine safe for long-term use?

L-Lysine is generally considered safe for long-term use at recommended doses. However, high doses may cause digestive upset. It is best to follow the dosage instructions and consult a health care provider for personalised advice, especially for long-term supplementation.

Can I take L-Lysine with other supplements?

Yes, L-Lysine can be taken alongside most other supplements. It pairs well with other amino acids and vitamins. Always read the labelled and follow directions for use.

*Always read the labelled and follow directions for use. This product is not intended to diagnose, treat, or prevent any disease.

Worldwide Delivery

Vitamins4Australia offers free shipping to Australia & the US on every order, with no minimum spend required. Most orders are delivered within 2–7 business days after dispatch, and tracking details are sent by email once the order leaves fulfilment.

Returns and support

Vitamins4Australia offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

View full details
  • Free standard deliveryUsually 2–7 business days to Australia, after 1–3 days to prepare
  • 30-day returnsOn unopened items in original packaging
  • Secure checkoutProcessed by Shopify with major cards accepted
  • Real supportEmail or phone, answered by our team

☆☆☆☆☆

Buying guide and questions

Supplement guide

Natural Factors - L-Lysine, Supports Healthy Immune System Function, 90 Vegetarian Capsules at Vitamins4Australia

Why Choose Natural Factors L-Lysine? Immune Support: L-Lysine helps support a healthy immune system and plays a role in the body’s natural defence.* Tissue and Bone Health: This nutritional supplement provides an es...

Category Food Supplement
Delivery area Worldwide
Checkout Secure checkout
Brand vitamins4australia
Price $43.54
Availability In stock
amino acidsAustralianbone healthcold sore supportcollagenessential amino acidgluten-freehealthimmune supportL-Lysine

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

Questions about Natural Factors - L-Lysine, Supports Healthy Immune System Function, 90 Vegetarian Capsules

Is Natural Factors - L-Lysine, Supports Healthy Immune System Function, 90 Vegetarian Capsules available worldwide?

Yes. This product is currently available on Vitamins4Australia with free shipping to Australia & the US.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to cart area. Returns guidance is available on the product page and full terms are covered in the store returns policy.