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Life Extension Optimised Tryptophan Plus 1000mg – L-Tryptophan Supplement with Niacin and L-Lysine

Life Extension Optimised Tryptophan Plus 1000mg – L-Tryptophan Supplement with Niacin and L-Lysine

Regular price $74.15 AUD
Sale price $74.15 AUD Regular price
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Life Extension Optimised Tryptophan Plus 1000mg – L-Tryptophan Supplement with Niacin and L-Lysine

Regular price $74.15
Sale price $74.15 Regular price
Save % Sold out
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Key Ingredients and Their Roles

Discover Life Extension Optimised — Every capsule delivers 1000 mg of L-Tryptophan, an essential amino acid your body cannot make on its own. It's the building block for serotonin, which in turn influences sleep, mood, and appetite. The formula also includes Niacin (vitamin B3) to aid the conversion of tryptophan into serotonin and to keep your nervous system ticking along nicely. L-Lysine (250 mg) teams up with tryptophan to support collagen formation and immune health, and it may help dial down the body's stress response by partially blocking serotonin receptors. Quality ingredients, properly balanced – that's what this supplement is about.

Who May Benefit from This Supplement?

If you're an adult looking to improve your sleep quality, manage everyday stress, or keep your mood on an even keel, this could be for you. It's particularly handy for those who have occasional sleepless nights and want a non-habit-forming option. Because tryptophan can promote a feeling of fullness, it may also help with appetite control as part of a healthy diet. Vegetarians will be pleased to know the capsules are vegetarian-friendly, and the product is gluten free. As always, chat with your healthcare professional before starting any new supplement, especially if you're pregnant, breastfeeding, on antidepressants or other medications, or have a medical condition.

Key Benefits for Sleep and Stress

Good sleep is the bedrock of wellbeing, but modern life often throws that off. L-Tryptophan helps your body produce serotonin, which then becomes melatonin – the hormone that regulates your sleep-wake cycle. Taking Optimised Tryptophan Plus may encourage restful, restorative sleep without the grogginess some sleep aids leave behind. Serotonin also supports a balanced mood, helping you feel more resilient when things get tough. Niacin contributes to normal energy metabolism and nervous system function, while L-Lysine assists the body's natural stress response and may ease occasional anxiety. Remember: always read the label and follow directions for use.* These statements have not been evaluated by the TGA. This product is not intended to diagnose, treat, , or prevent any disease.

What Is Optimised Tryptophan Plus?

Optimised Tryptophan Plus by Life Extension is a targeted dietary supplement designed to help you sleep better, feel calmer, and handle stress more effectively. Each serving provides 1000 mg of L-Tryptophan – an essential amino acid your body uses to make serotonin, a neurotransmitter deeply involved in sleep and mood. It also contains Niacin (vitamin B3) and L-Lysine, which work together to boost tryptophan's effects. This Non-GM, gluten free supplement is made in the USA with top-quality ingredients, and every batch comes with a Certificate of Analysis for peace of mind.

How to Choose the Right Tryptophan Supplement

When picking a tryptophan supplement, quality and purity matter. Life Extension's Optimised Tryptophan Plus is produced in a cGMP-certified facility and undergoes rigorous testing. Look for products that clearly state the active ingredient dose (1000 mg per serving) and include complementary nutrients like niacin and lysine. Non-GM and gluten free certifications offer extra reassurance if you have sensitivities. Avoid supplements with unnecessary fillers or artificial additives. Because tryptophan competes with other amino acids for absorption, taking it on an empty stomach or with a light carbohydrate snack may improve uptake – though results vary from person to person.

FAQs About L-Tryptophan

How does L-Tryptophan differ from 5-HTP?
L-Tryptophan is the precursor to 5-HTP (5-hydroxytryptophan), which then converts to serotonin. Some people prefer tryptophan because it also contributes to niacin production and may have a broader effect on neurotransmitter balance.

Can I take this supplement with other medications?
If you're on antidepressants (especially SSRIs or MAOIs), thyroid medication, or any other prescription, consult your healthcare provider before use to avoid potential interactions.

What is the recommended dosage?
The suggested use is one capsule daily, preferably at bedtime on an empty stomach. Do not exceed the recommended dose unless directed by a physician.

Is it safe for long-term use?
L-Tryptophan is generally considered safe when used as directed. However, long-term use should be discussed with a healthcare professional, especially if you have a history of liver or kidney issues.

Our Recommendation

Life Extension Optimised Tryptophan Plus stands out for its precise formulation and commitment to quality. With 1000 mg of L-Tryptophan plus Niacin and L-Lysine, it offers a comprehensive approach to supporting sleep, mood, and stress resilience. The brand's dedication to scientific research and third-party testing gives you confidence. For a natural, evidence-based supplement to enhance your night's rest and daytime calm, this is an excellent choice. Pair it with a balanced diet and healthy lifestyle for the best results. Always read the label and follow directions for use.

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.

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  • Free standard deliveryUsually 2–7 business days to Australia, after 1–3 days to prepare
  • 30-day returnsOn unopened items in original packaging
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  • Real supportEmail or phone, answered by our team

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Buying guide and questions

Supplement guide

Life Extension Optimised Tryptophan Plus 1000mg – L-Tryptophan Supplement with Niacin and L-Lysine at Vitamins4Australia

Key Ingredients and Their RolesDiscover Life Extension Optimised — Every capsule delivers 1000 mg of L-Tryptophan, an essential amino acid your body cannot make on its own. It's the building block for serotonin, which...

Category Sleep & Stress Support
Delivery area Worldwide
Checkout Secure checkout
Brand Life Extension
Price $74.15
Availability Out of stock
amino acid supplementcalmgluten-freeL-LysineL-TryptophanLife Extensionmood supportNiacinnon-GMOrestful sleep

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 Life Extension Optimised Tryptophan Plus 1000mg – L-Tryptophan Supplement with Niacin and L-Lysine

Is Life Extension Optimised Tryptophan Plus 1000mg – L-Tryptophan Supplement with Niacin and L-Lysine available worldwide?

This product is currently unavailable. Check back later or browse similar supplements in our collection.

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.