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๐ฟ Elevate your mood and sleepโbecause thriving never goes out of style.
NOW Supplements 5-HTP delivers 100 mg of a natural serotonin precursor per vegan capsule, supporting mood balance and restful sleep. With rigorous GMP-certified quality and allergen-free formulation, itโs a trusted choice for health-conscious professionals seeking natural nervous system support.




| ASIN | B0013OXB58 |
| Age Range Description | Adult |
| Best Sellers Rank | #5,342 in Health & Household ( See Top 100 in Health & Household ) #2 in 5-HTP Nutritional Supplements #645 in Sales & Deals |
| Brand | NOW |
| Brand Name | NOW |
| Color | Beige |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 10,908 Reviews |
| Diet Type | Vegan |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00733739001054 |
| Item Dimensions | 1.95 x 1.95 x 4.3 inches |
| Item Form | Capsule |
| Item Weight | 0.06 kg |
| Manufacturer | NOW Sports - Nutrition and Wellness |
| Manufacturer Part Number | 0105 |
| Material Features | Vegetarian |
| Model Name | 5-HTP (5-hydroxytryptophan) 100 mg |
| Model Number | 0105 |
| Number of Items | 1 |
| Primary Supplement Type | multivitamin |
| Product Benefits | Nervous System Support, Sleep & Mood Support |
| Recommended Uses For Product | Nervous System Support |
| Specific Uses For Product | Nervous System Support |
| Total Servings Per Container | 60 |
| UPC | 733739001054 |
| Unit Count | 60 Count |
M**0
Helps with depression from grieving - only take if depressed + have issues sleeping
UPDATE: For the past 2 wks, I've been grieving the loss of my pet and also my son has left for 6 month, and I can't talk or see him. It has caused me to become very depressed and I couldn't stop crying. I wasn't eating or getting out of bed. I began taking these a few days ago and my mood has improved drastically. The first day I took 2 pills and by the following day, I felt much better. I now take 1 per day and I haven't cried once in the past few days since taking them. I pray they will continue to work. This time, my sleep hasn't been affected by the pills. I am able to sleep a good 8 hours without drowsiness. OLD REVIEW: If you do not have low serotonin levels or, issues with depression, anxiety, or insomnia/problems sleeping or staying asleep then DO NOT TAKE. I tried this because I thought it would help me focus but instead it just allowed me to fall into a deeper than normal sleep and I slept for nearly 24 hours and still woke up feeling like I could stay asleep forever. It did not make me groggy...I just felt like I welcomed sleep. I do not suffer from any symptoms that these supplements are intended for and what I've read, long-term use can negatively effect your body if you do not have low serotonin. These also caused me to have a little anxiety and moodiness. WebMD: It has been used safely in doses up to 400 mg daily for up to one year. But some people who have taken 5-HTP have developed a condition called eosinophilia-myalgia syndrome (EMS). EMS is a serious condition involving extreme muscle tenderness (myalgia) and blood abnormalities (eosinophilia). Other potential side effects of 5-HTP include heartburn, stomach pain, nausea, vomiting, diarrhea, drowsiness, sexual problems, and muscle problems.
S**.
Improved mood, calmness, and sleep โ even better when paired with magnesium!
Iโve been taking NOW Foods 5-HTP (100 mg) daily for about 60 days, and the results have been excellent. My mood feels more balanced, Iโm calmer throughout the day, and my sleep quality has noticeably improved โ I fall asleep faster and wake up feeling more refreshed. For the best results, Iโve been pairing it with BESTVITE Magnesium Glycinate, and the two work perfectly together. The magnesium helps my muscles relax and supports deeper, more restorative sleep, while the 5-HTP promotes a positive mood and relaxation. Both supplements are clean, vegan-friendly, and gentle on the stomach. After 60 days, I can honestly say this combo has made a remarkable difference in my stress, mood, and overall well-being.
S**M
Midlife womanโs new go to
Iโve struggled with insomnia for the last six years. Once I turned 40 I felt like my life was over. Sleep was a long lost friend I unappreciated more than I ever knew! I turned to functional medicine nps and she recommended I try 5htp. I added this to my regimen before bed along with magnesium glycinate and wow , itโs made a world of difference. I still need to take hrt progesterone but this has become a major game changer to help me get through the night. Ladies in perimenopause, do not skip trying this product.
M**H
Great pros and horrible cons
I wish I could leave two separate reviews for this product. On one hand, they did exactly what I purchased them for, but on the other, horrible side effects! Iโll start with the good- these things worked wonders for my moodiness and snappiness. No more yelling at my kids and snapping at them when Iโm annoyed. The calmness and patience they gave me was amazing. Now the bad- they gave me HORRIBLE stomach pains. Iโm talking about so many trips to the bathroom, up at night with stomach pains and nausea. I had back labor with one of my births and it felt like that. I know it was these 5htp pills because I stopped taking them and then started back just to see. I even contemplated just pushing through the pains because the positive effects were so good, but I just canโt. So sad about it.
R**R
Consult with your physician before taking this supplement! I have experienced good results.
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 my, Neurotransmitter Support, 120 veg capsules: Always be responsible and consult with your physician before taking OTC supplements! These can have serious side effects depending on other medications or health conditions. I recommend reading the book, "The Mood Cure" by Julia Ross; it is a guide to help your determine if this product may be helpful, how and when to take it throughout the day, in combination with other supportive supplements: L-Tyrosine, GABA, DPLA (read the book, you may not need all four), in addition to other vitamins and minerals that assist these supplements to provide optimum benefits. The condensed description is that GABA helps with mood elevation (as in lifting the 'dark cloud'). I have used this successfully and experienced good results. Again, I cannot stress this enough, proceed with caution with the support and advice of your physician.
N**L
Product works great, but didnโt have any to use
All is well. Everything has been taken care of. However, there was an incident where vitamins spilled out of the the container and the shoe cleaner leaked all over, causing it to completely drench everywhere! Had to be something to do with the heat and the monsoonโฆ
P**.
Feeling cognitively energized while in a good mood, able to cope with stress and prevent negative thoughts in my mind.
This is my 1st time writing a review on Amazon, and I am only doing it because this product actually worked astonishingly well. Although I liked the fact that it is mainly used for people to improve depression, the reason I got this was to help my anxiety which it did. However, I will note that both my mood and anxiety took more than 1 day of doses to start to take in effect. And I noticed when taken at bedtime with melatonin to upgrade the quality of sleep, the supplement was better absorbed in my body and utilized when crossing blood-brain barrier than if I took it without a melatonin supplement. Advice to users of 5-HTP: I would highly recommend taking 60mg of 5-HTP instead of the 100. I found that at 100mg starting dose, it would make my cognition very foggy; however, if I opened up the capsule and poured/disposed the powder in the smaller half of the capsule, not only did I have improved mood but because my mind wasn't foggy it sort of made me feel like my cognition was not only significantly enhanced but also energized instead if that makes sense. A second reason I recommend a lower dose in general is because if your brain builds a tolerance to serotonin, then that can become dangerous/problematic in the future due to 'de-sensitization' of the serotonin receptors, making serotonin less effective towards your brain because it is adjusting to a sudden change in serotonin levels in order to maintain a sort of mental homeostasis. I noticed when my mind was foggy due to the 100mg dose, I would still have the problem of having negative thoughts in my head or pessimistic thoughts. But when I lowered it to about 50-60mg, my mind felt much more clear and I was able to prevent/block myself from the thought of forming those negative thoughts while maintaining an optimistic mood and positive cognitive/behavioral thoughts. Now I am not entirely sure of the 'energized feeling may be from another supplement I take, but I happen to take arginine and lysine supplements before bed which is important for protein synthesis and prevents a groggy feeling when waking up in the morning. I also take melatonin 1-3mg due to the noisy household environment that occurs in the mornings. Feel free to ask me any questions or comment on any supplement synergistic combinations to suggest.
S**H
Stopped working after 2 months
I took 1 100mg capsule the first night and I had what was probably the best night's sleep in my entire life. I've had insomnia since I was 12 and I haven't gotten a good night's sleep since (I am 21 years old). But the morning after I took it for the first time I was feeling amazing! I had no appetite and barely ate anything all day but I had so much energy and I felt so happy. It was as if my normally very loud inner monologue telling me that I'm a terrible person was finally quiet. I felt at peace for the first time. This "high" lasted a few days and then it sort of mellowed out. I started taking 1 every 12 hours instead of every 24 hours and it was working decently well. It's been 2 months since I started taking it and I think it's stopped working completely. My mood has been a nightmare and I wake up every morning feeling completely exhausted as if I didn't sleep at all. I'm exhausted all day long. It also seems to have caused me to gain weight? I was surprised because for about a month I barely ate anything but I think the lack of food killed my metabolism and made me gain weight. I am going to stop taking it for a while and see how I feel. I hope this review was helpful! Best of luck!
M**I
started working
In first day i got too much anxiety but after that it really started working ! great product was taking for depression. now feel very positive and calm
A**A
Didnt feel changes
Normal
L**R
exelente servicio
muy buena calidad d material
J**I
Now is good
The product was just right. Delivery was timely and packing of the package was in good condition.
S**S
Important Notice
In the beginning it didnโt work with me well, and side effect annoying me. But when I met my doctor again and explained to her, since she was aware of my case from the beginning and she was aware of my gastro problems, she advised me to take Probiotics then I try again the 5-HTP. I followed her instructions and side effects of 5-HTP became very light. Conclusion: every body is reacting differently with same medicine so you have to monitor your body and check if you have any other problems might cause side effects. However 5-HTP will not make your life better but it will help you to sleep deeply which will reset your brain and help your body to heal.
Trustpilot
1 month ago
1 week ago