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5-HTP Capsule - 100mg

High grade 99% pure and naturally sourced 5-HTP

(458 reviews)9410020
Buy 5-HTP Capsule - 100mg
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  • Naturally sourced - 99% pure 5-HTP
  • Top selling supplement
  • Well researched nutrient
  • Good alternative to St John's Wort

Supplement Description

What is 5-HTP?

5-HTP is converted in the body into the brain chemical messenger serotonin. Serotonin in the brain acts as a chemical messenger and is influences the majority of the cells in the brain, including sleep, appetite, mood and sexual desire.

5-HTP is derived from West African Griffonia simplicifolia tree, the only natural source available, using a specially developed process that retains as much of the active ingredient as possible. The supplement is then encapsulated in a fully vegetarian cellulose capsule, each providing 100mg of 5-HTP (in amino acid form).

Why buy a 5-HTP supplement?

Serotonin is involved in mood, appetite and impulse control, and has an effect on our state of restfulness.

Unlike cheaper Griffonia Seed powder,our UK-sourced material is 99% pure. This means that it only requires 101mg of Griffonia Seed to make our capsules. Some of the cheaper supplements on the market use inferior 70% material, which is much less pure than ours, so please be aware of what you are buying.

You can also be assured that our 5-HTP is certified to be 'Peak-X' free, and is sourced and manufactured in the UK to GMP quality standards.

Improved super strength vegetarian capsule

As a result of customer feedback we have recently made some improvements to this supplement. It appeared that the tablet-coating could crack and crumble under certain storage conditions, due to moisture absorption, so have changed the format of this supplement from a tablet to a two-piece capsule which has resolved the problem. Please be assured that the active nutrients are exactly the same as before, so if you are a regular customer you will still be buying the same, great supplement, just in capsule form, rather than as a tablet.

Nutritional Information

Each 5-HTP 100mg capsule provides:
L-5-Hydroxy Tryptophan (5-HTP) 100mg
  from 101mg of Griffonia Seed Powder

Allergen Advice

Any allergens are highlighted in bold in the ingredients list.

Cautions / Possible Side Effects

This food supplement may cause drowsiness.

Do not use if under medical supervision without consulting your medical practitioner.

Pregnant or lactating women should not take without consulting their doctor.

Do not use with antidepressants or other serotonin-modifying agents.

List of Ingredients

Calcium Carbonate prep (with Maltodextrin), Griffonia Seed 99% 5-HTP, Microcrystalline Cellulose, Hydroxypropylmethyl Cellulose, Magnesium Stearate, Silicon Dioxide.

Dosage / Suggested Intake

For restful sleep, swallow one to three 5-HTP 100mg capsules per day, 45 minutes before bedtime.

Take for 3 months then stop for a month, review, and re-start if required.

Capsule Size

19mm x 6.6mm capsule

Legal Category

Food Supplement

Customer Reviews for 5-HTP 100mg

The views expressed below are the personal opinion of Just Vitamins customers. Just Vitamins does not endorse these views, nor should they be regarded as health claims or medical advice. All reviews are collected and verified as genuine by a 3rd party called Feefo.

Overall product rating 9.4 / 10 - 458 customers have independently reviewed and recommend 5-HTP from 458 reviews (showing latest 50 reviews)
Review Date
Review Details
first class keep up the good work and keep your products as they have always been thanks once more and kee0 them at a great price merry Christmas
Rapid response and packaging that fits through letterbox.
Service Rating: Fast delivery, easy to use website. Very pleased.
Product: Seems the same as the one I bought from a popular high street shop but much lower price.
Service Rating: This is an excellent company, I've used them before. The product is good (5HTP), the delivery is swift, it's competitively priced and they don't deluge you with email ****!
Product: I've already said what I think, in the first box.
Quick response to order
Reached in time and well packaged

5-htp help to feel more calm and less depressed, I have been using it for a week but I think it’s important to see the GP also.
Service Rating: Arrived very quickly no fussto order. great price definitely recommend to buy
Product: Great value for money as they are normally expensive
Service Rating: Excellent fast delivery
Product: Too early to say yet, but am confident it will be great
Service Rating: Would definately buy from this company again.It has been a good fast service and the products were very good too.
Product: They do what was said they would.
Service Rating: Have ordered vitamins and supplements for over 10 years from within the UK and overseas. Always quick deliverygtest products and competitive pricing.
Product: Great product have been using these for years
Service Rating: Quick delivery of my order. I am very happy with the order and would recommend highly.
Product: They are helping with my sleep problems. I take two tablets an hour before bed and they help me to drift off.
Service Rating: Deras service var snabb och komplikationsfritt.
Product: Produkten är av toppkvalitet.
These 5HTP vitamins have been very effective as a sleep aid for me
Service Rating: Easy to order, quick delivery and great products
Product: I brought these to help me sleep and they are great.
Very fast, great product
Service Rating: This brand of 5HTP worked very well for my son. He has sleep issues. He sleeps very well now. I recommend to buy from this web site.prompt delivery. I recommended to one of my friend’s as well
Product: Very effective vegetarian capsules for sleep problems
Service Rating: Very quick delivery and great packing
Product: Started to notice the effects in a week
Service Rating: The postage was expensive
Product: The product was great and well packaged.
Very happy with the supplements I ordered and I like the re-seal packs.
Service Rating: Arrived quick, sensible package for posting. Would definitely order again.
Product: Arrived quickly, sensible package, and a very good price. Very happy and will order again.
Service Rating: Easy to use website, capsules well-packaged and easy to get through my letterbox and fast delivery.
Product: Very good. 5-HTP helps me sleep.
Service Rating: Excellent seller
Product: Fast delivery . Great product
Service Rating: Defo buying from here again. Great prices great products. Great packaging. And items just slipped through the mail box.
Product: Been taking these for over 2 weeks. Honestly say I just feel better. The anxiety and voice that stops me from being motivated has became quieter. It's easier for me to do everything. No stress no thinking about it. I'm just great. Defo recommend. Easy to swallow. I just take all 3 in the morning at once. No grogginess or hangover feelings. Did have the burps though but not sure if it was this or the Apple cider vinegar tablets.
I found them great. They have helped me so much. I'm less anxious, sleeping better and feeling much more upbeat. I have already recommended them to others.
Service Rating: Very quick delivery in my mailbox every time and a very good price
Product: Good product at a goid price
Potent product
Service Rating: Quick delivery, good valve , recommended to any one ,
Product: Execellent , really work for me , good valvefor money
Service Rating: Fast delivery
Great product
My one and only health supplements shop
Product: Excellent
The very best actually
Good products, good prices, swift delivery - very reliable company.
Service Rating: Excellent choice of quality supplements. Competitive prices and outstanding customer service. Supplements despatched very quickly and arrive well packaged.
All round five star service.
Product: Have been using these for a few months to treat menopausal related anxiety and mood swings. They have made an amazing difference. I am sleeping better and my moods are stabilised.
Service Rating: Snabb och bra leverans och tydlig hemsida. Frakten var billig och bra
Product: De gav mig ett bättre mående och kostade en tredjedel så mycket som Svenska
Bra 5htp.
Excellent as always. High quality products and fast delivery. Cheaper than the competition too. Not much more needs to be said!
Service Rating: Excellent
Product: Excellent. Very good service
Arrived really quick ,good value for money
Service Rating: Snabb bra butik
Product: Have not discover any sleepy reaction from them
Qualité rapidité prix
Service Rating: Fast delivery. Good value. Seem to be genuine products.
Product: I think I had mild depression for a while, byut I didn't want to go straight on to antidepressants without trying other strategies first. It took just a week of taking these supplements, along with a SAD lamp, a mindfulness program, and B-complex vitamins, for me to feel more like myself again. Sleeping better, more motivated, less easily stesssed, more positive in general.
Service Rating: Hurtig levering 👍🏻
Product: 👍🏻 Hurtig levering gode produkter
Service Rating: Great prices and fast shipment, no tracking ID tho which I would like when ordering things from another country.
Product: Seems to work somewhat for me. No direct effect / feeling which I felt when I took 5htp 10 years ago but I notice positive long-term effects after just some days. So they do work :) Incredibly good price. Just too bad its so much bulk powders in it
Service Rating: Good speedy delivery, good service .
Product: Quick delivery, good service.
Excellent service,product arrived within 4 days.
Stopped im customs and destroyed.
Feedback Response: We're very sorry that your item was held by your local customs. We offer a large variety of supplements to a huge number of countries, each with their own import requirements. As the customer we do need you to take responsibility for whether these items are allowed to be imported into your country under your local law. If your goods are returned to us then we will gladly refund you in full.
Service Rating: Excellent service, good product, good price
Product: excellent purchase all round
An excellent service - easy to order; product well packed; speedy delivery and good value.
Service Rating: I get 5HTP regularly and I think it works or rather my husband thinks it works.
I started on the Turmeric. So not sure if this is going to help with sciatica.
Product: I think it works for sleep.
Service Rating: I placed the order & was pleased they arrived so quickly, as this was not for myself but a friend she too was pleased they came so promptly. I will recommend Just Vitamins to other people struggling with anxiety issues.
Product: Even though this purchase was not for me I have used 5HTP for many years now for the Winter Blues & generally keeping going when the going gets tough. They work for me!!!
Prompt delivery. Been taking them for almost 3 weeks now and the last few days, I have noticed an improvement in the amount and quality of my sleep.
If I'm honest I took as directe but noticed no difference at all
Thanks anyhow
Service Rating: Well happy and quick dilevery
Product: Be taking these on and of .. really think they work

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