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Metagenics SeroSyn - 5-HTP and L-Theanine Food Supplement, 90 Capsules

Metagenics SeroSyn - 5-HTP and L-Theanine Food Supplement, 90 Capsules

Regular price £99.67 GBP
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Metagenics SeroSyn - 5-HTP and L-Theanine Food Supplement, 90 Capsules

Regular price £99.67
Sale price £99.67 Regular price
Save % Sold out
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What is 5-HTP and How Does It Work?

Derived from the seeds of the Griffonia simplicifolia plant, 5-hydroxytryptophan (5-HTP) is an amino acid that the body converts into serotonin, a neurotransmitter involved in mood, sleep, and appetite regulation. Metagenics SeroSyn pairs L-5-HTP with L-theanine, another amino acid sourced from green tea, to create a synergistic formula that promotes relaxation and supports emotional balance. L-theanine is recognized for its ability to encourage a calm state without inducing drowsiness, making this combination a popular choice for those managing everyday stress.

How to Choose the Best 5-HTP Supplement

When selecting a 5-HTP supplement, several factors warrant attention:

  • Purity and Standardisation: Opt for products standardised to contain at least 98% 5-HTP. Metagenics SeroSyn meets this high standard, ensuring consistent quality.
  • Complementary Ingredients: L-theanine enhances the calming effects of 5-HTP, making SeroSyn a well-rounded option. While some supplements include vitamin B6 to aid conversion, this formula relies on the inherent synergy of its two amino acids.
  • Third-Party Testing: Choose brands like Metagenics that are known for rigorous quality control and independent testing.
  • Form and Bioavailability: These vegetarian, non-GMO capsules are gentle on the stomach and free from common allergens.

Recommended Dosage and How to Take 5-HTP

A typical dose ranges from 50 to 200 mg per day. For SeroSyn, the serving size is two capsules, providing 100 mg of L-5-HTP and 200 mg of L-theanine. It is best taken with a meal to minimise potential stomach discomfort. Start with a lower dose to assess tolerance and do not exceed the recommended intake. Always consult a health care professional before starting any new supplement, particularly if you are on medication or have an underlying condition. Always read the labelled and follow the directions for undertake.

Potential Benefits of 5-HTP and L-Theanine

While individual experiences vary, many users find these supplements helpful for:

  • Encouraging Relaxation: L-theanine contributes to relaxation, helping to ease occasional tension.
  • Supporting Sleep Quality: Serotonin is a precursor to melatonin, so 5-HTP may help maintain healthy sleep patterns.
  • Promoting a Balanced Appetite: Some evidence suggests 5-HTP may reduce carbohydrate cravings and support feelings of fullness.
  • Emotional Wellbeing: Combined, these amino acids support a calm and positive outlook.*

*EFSA has approved the claim that L-theanine contributes to relaxation.

Frequently Asked Questions

Can I take SeroSyn every day?
Yes, many people take it daily. It is wise to have occasional breaks (e.g., one week off every few months) and to discuss with your health care provider.

How long until I notice effects?
Some people feel results within days; for others, it may take several weeks of consistent undertake. Patience is key.

Is it safe with prescription antidepressants?
No. Combining 5-HTP with SSRIs, MAOIs, or other serotonergic drugs increases the risk of serotonin syndrome. Never mix without medical supervision.

Does SeroSyn contain allergens?
This product is gluten-free, non-GMO, and vegetarian. It contains no dairy, soya, or artificial additives. Cheque the labelled for the full ingredient list.

Possible Side Effects and Safety Precautions

5-HTP is generally well tolerated, but some may experience mild nausea, digestive upset, or drowsiness. Taking with food reduces these risks. Avoid driving until you know how it affects you. Important precautions:

  • Serotonin Syndrome: Potentially life-threatening when combined with other serotonergic agents. Discontinue if symptoms like agitation, rapid heart rate, or muscle twitching occur.
  • Pregnancy and Lactation: Avoid unless advised by a health care professional.
  • Liver or Kidney Conditions: Undertake with caution.
  • Parkinson’s Disease: Do not undertake due to a rare risk of eosinophilia-myalgia syndrome.

Keep out of reach of children. This product is not intended to diagnose, treat, , or prevent any disease. The information provided is not a substitute for medical advice.

Worldwide Delivery

Orders are prepared with clear worldwide delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

UK Vitality Vitamins 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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Supplement guide

Metagenics SeroSyn - 5-HTP and L-Theanine Food Supplement, 90 Capsules at UK Vitality Vitamins

What is 5-HTP and How Does It Work?Derived from the seeds of the Griffonia simplicifolia plant, 5-hydroxytryptophan (5-HTP) is an amino acid that the body converts into serotonin, a neurotransmitter involved in mood, ...

Category 5-HTP
Delivery area Worldwide
Checkout Secure checkout
Brand Metagenics
Price £99.67
Availability In stock
5-HTPamino acidcalmingfood supplementGABAgluten freeL-theanineMetagenicsmood supportneurotransmitter

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.

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Questions about Metagenics SeroSyn - 5-HTP and L-Theanine Food Supplement, 90 Capsules

Is Metagenics SeroSyn - 5-HTP and L-Theanine Food Supplement, 90 Capsules available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide delivery.

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 basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

Supplement shopping with clarity

UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.