SKU: 40414408314

NutraBio | 5-HTP | 90 Servings

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Description

NutraBio | 5-HTP | 90 Servings200mg 5 HTP with B6 for mood and sleep support NutraBio 5 HTP Positive Mood & Restful Sleep is a straightforward formula for supporting brain chemicals. It focuses on one main thing: giving you a solid dose of 5 hydroxytryptophan to help make serotonin, with vitamin B6 to help out. No hiding a tiny 5 HTP amount in some mystery sleep blend. You get 200mg of 5 HTP from Griffonia simplicifolia seed and 50mg of vitamin B6 per capsule, right on the label.

200mg 5-HTP with B6 for mood and sleep support

NutraBio 5-HTP Positive Mood & Restful Sleep is a straightforward formula for supporting brain chemicals. It focuses on one main thing: giving you a solid dose of 5-hydroxytryptophan to help make serotonin, with vitamin B6 to help out. No hiding a tiny 5-HTP amount in some mystery sleep blend. You get 200mg of 5-HTP from Griffonia simplicifolia seed and 50mg of vitamin B6 per capsule, right on the label. That's the whole point—keep it simple with what really counts.

5-HTP is the stuff your body turns right into serotonin. Unlike L-tryptophan, which takes an extra step, 5-HTP jumps in later. Serotonin helps with mood, hunger signals, and sleep. It's also what your body uses to make melatonin. People take 5-HTP to feel calmer, fall asleep easier, and sleep better. The 200mg here is a good, everyday amount for mood and sleep help. Studies show okay support for mood, and some new trials for better sleep. It's also known for helping with appetite via serotonin, but that's not the main focus here.

Vitamin B6 at 50mg as pyridoxine hydrochloride isn't just filler. B6 helps the enzyme that turns 5-HTP into serotonin. Basically, 5-HTP gives the building block, and B6 helps your body build with it. At 50mg, this is way more than your basic daily need.

NutraBio 5-HTP by NutraBio contains 50mg Vitamin B-6, a effective dose for muscle recovery and growth.

Key Highlights

  • 200mg 5-HTP per capsule—this is the star here, a real dose for mood and sleep. 5-HTP turns into serotonin, so it helps you feel calmer, wind down easier, and sleep better.
  • 50mg vitamin B6 as pyridoxine HCl—not just for show. B6 helps convert 5-HTP to serotonin, making this smarter than a plain 5-HTP pill without the helper.
  • Fully transparent two-ingredient formula—everything's listed with doses. In a world of hidden 'nighttime mixes,' this shows you exactly what you're getting.
  • Griffonia simplicifolia-sourced 5-HTP—the usual plant source for this stuff. It's the go-to for mood, sleep, and feeling full support.
  • No melatonin—great if you want to boost natural brain paths instead of a straight sleep hormone. Feels less like forcing sleep, more like natural easing in.
  • One vegetable capsule per serving—easy for every night. Sticking with it is key for mood and sleep stuff, and one pill makes it simple.
  • Stim-free by design—no caffeine or anything to mess up your night. Perfect for evenings when even a little buzz would keep you up.
  • Moderate evidence base for 5-HTP mood support—studies include reviews on depression stuff and more on mood. This isn't hype; it's a solid serotonin ingredient with real research.

NutraBio 5-HTP by NutraBio contains 50mg Vitamin B-6, a effective dose for muscle recovery and growth.

Who Is This For?

  • Adults with high-stress jobs who can't unplug at night. The 200mg 5-HTP boosts serotonin for mood and sleep, with 50mg vitamin B6 to help the switch instead of a solo shot.
  • Folks wanting sleep help without melatonin. This is for boosting natural brain paths with 5-HTP over a hormone, good for easygoing night routines.
  • Gym-goers held back by crappy sleep, not lack of hustle. Better rest ups how you feel and bounce back, and this supports serotonin to sleep without stims or heavy knockouts.
  • Guys and gals where down mood and tossy sleep hit together. Serotonin ties into both, so a straight 5-HTP pill fits for tackling the combo.
  • Travelers, shift workers, and uneven schedulers needing simple capsule support. One per serving is easy to stick with, and the basic label avoids double-dipping from other sleep stuff.
  • Buyers after clear, no-prop-blend formulas. This lists two actives with real doses—big win over fuzzy 'mood and sleep' mixes hiding the true 5-HTP amount.

How to Use

Take 1 vegetable capsule daily, best in the evening 30 to 60 minutes before bed. That fits since 5-HTP helps mood and sleep paths, not daytime energy. If new to 5-HTP or sensitive to brain supps, try first on chill nights to watch your reaction. Swallow with water—no mixing, and capsules keep doses spot-on. Many skip heavy meals with it, as food can slow it down and mask effects. Don't mix loosely with other serotonin stuff or meds. Pairs good with simple night adds like magnesium or glycine. No set cycle, but track total B6 from other stuff since it's 50mg per cap. Keep in a cool, dry spot, lid tight.

What to Expect

First few nights, it's usually low-key, not wow. In 30 to 60 minutes, no big rush or drop—just gentler mind quiet as bed nears. Days 1 to 7: see if 200mg 5-HTP suits you, and test with or without food. Weeks 2 to 4: notice easier unwind, steady sleep, and better mood if it clicks. No melatonin means smoothing into sleep, not instant tired. No crash, no build-up phase, no peak window. It's for routines—stick with it over chasing highs.

Key Ingredients

  • 5-HTP — 200mg — Direct serotonin precursor for mood and sleep support
  • Vitamin B-6 — 50mg — Supports conversion of 5-HTP into serotonin

NutraBio 5-HTP by NutraBio contains 50mg Vitamin B-6, a effective dose for muscle recovery and growth.

Frequently Asked Questions

How much 5-HTP is in each serving of NutraBio 5-HTP?

Each 1-capsule serving provides 200mg of 5-HTP from Griffonia simplicifolia seed. That is a meaningful standalone dose for a product positioned around mood support and restful sleep.

Why does this formula include vitamin B6?

This product includes 50mg of vitamin B6 as pyridoxine hydrochloride because B6 acts as a cofactor in the conversion of 5-HTP to serotonin. In practical terms, 5-HTP supplies the precursor and B6 helps the body use that precursor more effectively.

Does NutraBio 5-HTP contain melatonin?

No. This formula is melatonin-free and instead supports upstream serotonin-related pathways, which is why many users describe it as helping them wind down rather than knocking them out.

When should I take this product?

Most users do best taking 1 capsule 30 to 60 minutes before bed with water. Evening timing aligns with the product’s intended use for mood settling and nighttime sleep support.

Will I feel this the first night?

Possibly, but the experience is usually subtle. Rather than a strong sedative sensation, many users notice an easier mental wind-down and then clearer benefits over 2 to 4 weeks of consistent nightly use.

Can I stack this with magnesium or other nighttime supplements?

Yes, it generally stacks well with non-overlapping sleep supports like magnesium or glycine because the formula is so narrow. The main caution is to avoid combining it blindly with other serotonergic ingredients or medications.

Is this product stimulant-free?

Yes. There is no caffeine or other stimulant in the formula, which makes it suitable for evening use and different from products that try to address mood with daytime-style energy ingredients.

Can this help with appetite control too?

Potentially. 5-HTP has research history in satiety and caloric intake regulation, although this product is primarily positioned for positive mood and restful sleep rather than as a weight-loss supplement.

Is the label fully transparent?

Yes. The formula discloses both actives and their exact doses: 50mg vitamin B6 and 200mg 5-HTP. There are no proprietary blends hiding how much of the main ingredient you are actually getting.

Who should avoid using 5-HTP?

Anyone taking serotonergic medications such as SSRIs, SNRIs, MAOIs, tricyclics, or triptans should not use this product without medical guidance. Because 5-HTP directly affects serotonin pathways, interactions matter.

Shipping Notes
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Exchange/Return Notes
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Steve M Vedder
Dallas, US
★★★★★ 5
Great Product
Size: 6 Pairs / 12 pcs
These banana plugs have worked perfectly, no matter what gauge I have run in them, they work great. Easy assembly and great quality.
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Reviewed in the United States on May 8, 2026
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PowerTripp
Chelsea, US
★★★★★ 4
The most legit banana plugs I could find on Amazon
Size: 6 Pairs / 12 pcs, Size: 6 Pairs / 12 pcs
NEW PREFACE:: I am kind of glad I first bought the horribly magnetic, horribly made and GOLD PAINTED Sewell crimp on plugs (some reviewers say that Sewell are better and easier to use than the FosPower, which is true in design, but in quality of materials FosPower beats them hands down!!) ... Changing from those to these FosPower plugs plus the Monoprice 90° plugs, I am flabbergasted at the difference they make in sound quality. I have heard people say that they can hear the difference and even as an audiophile I was skeptical..... but my skepticism has been completely erased by what I am hearing with my own ears. I waited a few days to make sure I wasn’t just tripping before updating this review 🤣....but it has become clear to me how much a difference plugs made from the right materials actually make!!! I am 100% serious that the bass coming out of my Polk Signature Series tower speakers has at least doubled at the same volume. I can also now turn the volume up Way past my max volume before, without any distortion and much more clarity and less harsh highs. Everything just sounds warmer in general now which is amazing!!!! This is dangerous info for me... because now I’m thinking about making some really nice custom wires to see how much of a difference that makes 🙄🙄🤣 OK onto the review of the actual plugs here~~ These seem like decent connectors. I can’t tell if they are brass or copper, but they only have a slight hint of a magnetic property when testing them with a very powerful magnet. I was easily able to fit x2 - 14ga wires into it for bi-wiring purposes, including screwing on the collar. (As seen in my example pic) The gold plating on the tips seems legit and not painted like some of the plugs from Sewell... I have tested and tried quite a few plugs from Amazon and most seem to be crap. These however hold up better than most! These and the Monoprice 90° banana plugs with the black and red rubber sleeves. The latter are gold plated copper and have zero magnetic properties. (if you need 90° banana plugs) UPDATE: still the best plugs I have found, but upon full install found two issues. One is a defect where a set of the plug threads for the barrel cover body weren’t cut right. The body’s do not tighten and stay loose because of that. Obvious issue for vibration with metal on metal... The other issue is that even though these say they can fit different gauge wires, they seem to be geared more towards 12 or 10 gauge. I am using semi solid strand 14 gauge and find that unless I fold the wire over to make it double thick, the bolts use up all the thread and seem to become kind of loose inside the body. They won’t fully seat and keep spinning no matter how much you tighten. They seem to stay secure still but I just wonder about longevity over time with vibrations. So I just doubled up the wire and they seated fine! Not the worst issue in the world, but just kind of a pain since you have to strip the wire longer than you normally would so you can fold it over. ANOTHER UPDATE: I had to remove these plugs from the wire to connect them to a crappy spring terminal amp while my better amp was in the shop. The issue I wrote about with the set screws "bottoming out" on smaller gauge wire became a more pronounced issue! I could not unscrew the set screws anymore and just had to cut the wires... So that means I will need to purchase more of these to replace the ones I cannot get wire back into. Not the best design, but still one of the best plugs I have found on Amazon.
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Reviewed in the United States on March 26, 2021
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Verified Purchase
Russell B
West Palm Beach, US
★★★★★ 5
Sturdy. Tight fit. No wobble
Size: 2 Pairs / 4 pcs
These are the best ones I’ve found. This order will connect one wire. Luckily that’s what I needed. If you’re doing more than one wire…
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Reviewed in the United States on May 18, 2026
E
Verified Purchase
Ed Train
Omaha, US
★★★★★ 5
Superior Design!
Size: 6 Pairs / 12 pcs
Delivery was lightning fast. I tried a pack of two pairs of these banana jacks as a sample to see if these would meet my needs. The design of these plugs is superior. The design was exactly what I wanted because the speaker wire is secured with TWO set screws. Then I ordered an additional six pairs of plugs to hook up my subwoofer to my amp and speakers. (I feed the audio output from the amp to the sub. The sub has a crossover that keeps the low frequencies and sends the mid and treble frequencies to my bookshelf speakers.) I love the security of two set screws on each plug and love the barrel that screws on AFTER the wire is secured by the set screws. Most banana plugs have a hole through the shaft of the plug that receives the stripped wire. Then the barrel cover is screwed down to secure the wire in the plug. This design compresses the speaker wire but eventually the cap loses it grip and allows the connection between the wire and the plug to become loose. Then the transfer of the audio signal becomes poor and the speakers sound bad. Every month or two I needed to check all the banana plugs and re-tighten many of them for the best performance. The two set screws eliminate this problem. The set screws are quite small and take a little extra care in installation. You will need a small flat blade screwdriver to tighten them. I used the 1/8" flat blade driver from a set of jewelers screwdrivers. These well made plugs are a bit pricier that many of the banana plugs available but certainly not the priciest plugs available. For me, the slightly higher price was more than offset by the security of the wire within the plug. I'm not thrilled with the extra tight fit of the tip on the plugs into the jacks. It took a lot of effort to insert the in the jack. Actually I "greased" the pins (very sparingly) with with non-corrosion, conductive paste (Ox-Gard, No-Corrode, etc. Do NOT use any other grease.) Next time I'll use pliers to compress the pin. My only quibbles are that the spring pins that go into the jack are very tight and that the plugs are only sold in quantities of two pairs or 12 pairs. I recommend these banana plugs for all who are using the banana plugs and jacks for hooking up your speakers. It's a very convenient way of connecting speakers if your speakers and amplifier have the banana jack as part of the binding post. Further, it's much safer to use banana plugs since the possibility of shorting your amplifier with a stray strand of wire is practically zero. Easy Five Stars.
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Reviewed in the United States on April 13, 2018
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Verified Purchase
V88
Dallas, US
★★★★★ 5
Top banana
Size: 5 Pairs / 10 pcs
Theses banana plugs are hight quality non magnetic. Banana plugs easy to usexand very high quality sound different because of the better connection and quality.
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Reviewed in the United States on May 24, 2026

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