New Customer? Use Code WELCOME10 for 10% OFF Your First Order!

Source Naturals Serene Science 5-HTP 200 mg - 60 Capsules

  • Last stock!

Source Naturals Serene Science 5-HTP 200 mg - 60 Capsules

Product form
Best Sellers Rank: #6
Tag: BritishVita | Premium UK Vitamins & Wellness Supplements Shopify Collective
🔥 1 + units sold In Demand 📈
MARKET DEMAND
Current demand is trending upward
DEMAND SCORE
--
out of 100
High Demand
↑ +--%
vs previous 30 days
↑
Demand is currently trending upward
This product is showing positive demand momentum compared with the previous 30-day period.
↑ Rising demand
30 Day comparison
↻ Monthly update
i The demand indicator is refreshed automatically at the beginning of each month. The score is an indicator of demand momentum and is not a guarantee of future sales.

5 in stock Expedited Delivery Available!  Expedited Delivery Available!

£ 27.96 GBP

    • Guaranteed secure & safe checkout.

      shop pay
    Change
    All our orders are fully tracked.
    Shipping Cost Calculated at checkout.
    PRICE CHECK
    Compare & Save Upto 25% with Great Deal
    GREAT DEAL OFFERS
    Source Naturals Serene Science 5-HTP 200 mg - 60 Capsules
    £ 27.96 GBP
    Our current price
    🔎
    Check prices elsewhere
    Compare the current price with verified retailers and marketplaces in the UK, USA, Australia and EU.
    ✦ Compare Price with ChatGPT ↗
    ✓ Same product
    £ Current prices
    = Price difference
    💰
    See if you can save with Great Deal Offers
    Find genuine matching products and see whether verified retailers are charging more.
    i Prices and availability can change. Always check the retailer's final price and delivery cost before purchasing.

    Description

    Source Naturals Serene Science 5-HTP 200 mg supports a sense of calm and well-being. Each capsule delivers 200 mg of 5-HTP derived from Griffonia simplicifolia seeds. Suggested use: 1 capsule daily with a meal. This formula contains 200 milligrams. Manufactured in the USA in Scots Valley, CA, under the cGMPs established by the FDA. Over 40 years of trust from Source Naturals.

    • Derived from Griffonia simplicifolia seeds
    • 200 mg per capsule
    • 1 capsule daily with a meal
    • Manufactured in the USA under cGMPs
    • 40+ years of trusted quality

    Specifications

    • Product Assurance: Quality Standards

    Returns & Delivery

    Compliance & Transparency
    Compliance & Transparency

    Compliance matters. Transparency matters more.

    At Great Deal Offers, we take compliance, transparency and responsible trade seriously. We believe customers should know exactly what they are buying and how products are represented.

    Shop Great Deal Offers → Trust & Safety
    ✓ Responsible Trade
    ✓ Product Transparency
    ✓ Compatibility Clarity
    ✓ Legitimate Use
    Our Approach

    Clear information. Responsible commerce.

    We take compliance, transparency and responsible trade seriously.

    Our products are supplied for legitimate, lawful use and are not intended to bypass, disable or circumvent security, protection or access-control systems.

    Our goal is simple: provide clear product information while supporting responsible and lawful use.
    What We Stand For

    Transparency built into the way we sell.

    We want customers to be able to understand the nature of the products they are considering before ordering.

    ⚖️

    Responsible Trade

    We take responsible commerce seriously and supply products for legitimate, lawful use.

    🔎

    Product Clarity

    Product information is presented to help customers understand compatibility, specifications and intended use where applicable.

    🛡️

    No Circumvention

    Our products are not intended to bypass, disable or circumvent security, protection or access-control systems.

    🏷️

    Brand Transparency

    Where brand names or model references appear, they may be used solely to describe compatibility or specifications.

    🔗

    Third-Party Compatibility

    Unless otherwise stated, products are third-party compatible or generic products.

    💬

    Honest Representation

    We aim to represent products clearly rather than creating misleading associations with original brand owners.

    ℹ️
    Important Product Disclaimer

    Unless otherwise stated, products are third-party compatible or generic products. They are not manufactured, endorsed, affiliated with, sponsored by, or associated with the original brand owners. Brand names, trademarks and model references are used solely to describe compatibility or product specifications where applicable.

    Brand & Compatibility

    Clear distinction between compatibility and affiliation.

    Product references are intended to help customers identify compatibility and specifications.

    Third-Party & Generic Products

    Unless otherwise stated, products are third-party compatible or generic products and are not represented as products manufactured by the original brand owner.

    No Implied Affiliation

    Third-party products are not manufactured, endorsed, affiliated with, sponsored by, or associated with the original brand owners.

    Compatibility References

    Brand names and model references may be used solely to describe compatibility or product specifications where applicable.

    Customers Know What They're Buying

    We aim to make the nature of products and their relationship to original brands clear.

    Responsible Commerce

    We believe transparency is part of good business.

    Compliance is not simply a statement. It is part of how we communicate products, compatibility and responsible use to customers.

    Shop with clarity. Shop with confidence.

    Explore the Great Deal Offers catalogue or learn more about our approach to trust, safety and responsible commerce.

    Explore Products → Trust & Safety
    Shop with Confidence
    Great Deal Offers Trust Centre

    Shop with confidence. Know what to expect.

    We believe trust comes from transparency. From product information and payment to shipping, tracking and customer support, here's how Great Deal Offers works before, during and after your order.

    Shop Great Deal Offers Independent Check
    🔒
    Secure Checkout Protected payment process
    📦
    Tracked Delivery Tracking provided when available
    ↩️
    Clear Policies Returns & refunds explained
    💬
    Customer Support We're here when you need us
    Why Great Deal Offers

    Trust should be demonstrated, not claimed.

    We focus on giving customers the information they need to make an informed purchasing decision.

    🔎

    Transparent Product Information

    Product specifications, compatibility, condition and included items should be clear before you place an order.

    💳

    Secure Payment Options

    Payments are processed through established payment methods. Always use the payment option you are most comfortable with.

    🌎

    International Fulfilment

    Product availability, fulfilment location and delivery times can vary by product and destination. We aim to make those details clear before purchase.

    📍

    Order Tracking

    Once your order is dispatched, tracking information is provided where the selected shipping service supports tracking.

    ↩️

    Clear Returns Process

    Our returns and refund policies explain the applicable process, conditions and requirements before you purchase.

    🤝

    Customer Support

    Have a question before ordering or need help after your order? Our support channels are available to assist you.

    Your Order

    How your order works

    A straightforward process from checkout to delivery.

    01

    Order

    Place your order through our secure checkout.

    02

    Processing

    Your order is reviewed and prepared for fulfilment.

    03

    Dispatch

    Your order is handed to the selected shipping service.

    04

    Tracking

    Tracking details are provided where applicable.

    05

    Delivery

    Your order arrives at the delivery address provided.

    Shipping & Delivery

    Delivery information can vary depending on the product, destination and shipping service selected.

    • Delivery estimates are provided where available
    • Shipping origin may vary by product
    • Tracking is provided where supported
    • Customers should review delivery information at checkout
    • International deliveries may be subject to local customs requirements

    Payments & Checkout

    We want customers to feel comfortable knowing how their payment is handled.

    • Secure encrypted connection
    • Established payment methods
    • Payment details processed through payment providers
    • Customers can choose their preferred available method
    • Payment-provider terms and protections may vary
    Before You Buy

    Know what you're ordering.

    We believe customers should have the information needed to make an informed purchase.

    🏷️

    Brand & Model

    Product listings should clearly identify the applicable brand, model and product type.

    ⚙️

    Specifications

    Important technical specifications and compatibility information should be reviewed before purchase.

    📦

    What's Included

    Check the product listing for the accessories, packaging and items included with your purchase.

    Independent Assessment

    Want an independent check?

    You don't have to rely only on what we say about our website. You can independently review Great Deal Offers through ScamAdviser.

    ScamAdviser assessment

    greatdealoffers.co.uk

    Independent Website Check

    Review the independent ScamAdviser assessment for www.greatdealoffers.co.uk, including available website, security and trust information.

    Returns & Refunds

    If something doesn't work out, our policies explain the applicable return and refund process.

    • Clear return conditions
    • Refund process explained
    • Applicable exclusions disclosed
    • Customers can review the policy before ordering

    Need Help?

    Our relationship with customers doesn't end when the order is placed.

    • Pre-purchase product questions
    • Order and delivery enquiries
    • Tracking assistance
    • Returns and refund enquiries
    • General customer support
    Questions

    Before you place your order

    A few of the questions customers commonly have.

    Is Great Deal Offers a legitimate online store?
    Great Deal Offers is an online ecommerce store. Customers can also independently review our website through ScamAdviser and review our policies, contact information, payment options, shipping information and customer reviews before ordering.
    Are payments secure?
    Our store uses secure checkout technology and established payment methods. Available payment options are displayed during checkout.
    Where are orders shipped from?
    Fulfilment and shipping origin can vary depending on the product and destination. Customers should review the applicable shipping information and estimated delivery time before placing an order.
    Will I receive tracking information?
    Tracking information is provided where the selected shipping service supports tracking. The applicable information will be provided after dispatch.
    What if I need to return something?
    Please review our refund and return policy before purchasing. The policy explains eligibility, applicable conditions and the process for requesting a return or refund.
    How can I contact Great Deal Offers?
    You can contact our customer support team through the Contact page. For order-related enquiries, please include your order number so we can assist you more efficiently.

    Good shopping starts with transparency.

    Explore our products, review the information and policies, and make your purchasing decision with confidence.

    Start Shopping → Contact Us
    Great Deal Offers — transparent information, secure checkout and customer support.
    183
    50

    Where trust drives commerce. We believe in honesty over marketing.

    Some products may not have customer reviews yet, but the reviews you do see are 100% authentic, verified, and managed by Judge.me, an independent review partner trusted worldwide. Instead of posting made-up reviews, we prefer to show only what is real — even if that means some products are still waiting for their first review.

    All store reviews

    Top 10 best selling products

    You may also like these products. These products are rated as 'top 10 best of the best' by our clients

    Shop now

    Collections with similar products

    Recently viewed products

      Login

      Forgot your password?

      Don't have an account yet?
      Create account