Allergy Research Group - Zen Sleep - with P5P and 5-HTP - 60 Vegetarian Capsules
SKU: 23825631329

Allergy Research Group - Zen Sleep - with P5P and 5-HTP - 60 Vegetarian Capsules

Sale price$147.15 Regular price$163.50
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Description

Allergy Research Group - Zen Sleep - with P5P and 5-HTP - 60 Vegetarian CapsulesBrand: Allergy Research Group Features: Provides GABA and L theanine along with 5 Hydroxytryptophan and vitamin B6 as Pyridoxial 5 Phosphate Provides key nutrients for the production of melatonin in the body, to support sleep and relaxation* Suggested Use: Take 2 capsules 30 minutes before bedtime, or as directed Free of wheat and gluten, dairy, eggs, soy, fish, shellfish, peanuts, tree nuts, corn, and yeast Since 1979 Allergy Research Group has

Brand: Allergy Research Group

Features:

  • Provides GABA and L-theanine along with 5-Hydroxytryptophan and vitamin B6 as Pyridoxial-5-Phosphate
  • Provides key nutrients for the production of melatonin in the body, to support sleep and relaxation*
  • Suggested Use: Take 2 capsules 30 minutes before bedtime, or as directed
  • Free of wheat and gluten, dairy, eggs, soy, fish, shellfish, peanuts, tree nuts, corn, and yeast
  • Since 1979 Allergy Research Group has committed to using pure and low allergy potential ingredients

Details: Zen Sleep starts with the foundation ingredients of our original product 200 mg of Zen, GABA (gamma-aminobutyric acid), and L-theanine (glutamic acid gamma-ethylamide), an amino acid derivative found naturally in green tea (Camellia sinensis). Added to them are P5P (pyridoxal-5-phosphate), which is the coenzyme form of vitamin B6, and 5-HTP (L-5-hydroxytryptophan), the precursor to serotonin and melatonin. This combination helps promote a relaxed state, and provides the necessary factors for the body to produce melatonin, supporting normal, healthy sleep.*

Since 1979, Allergy Research Group has used only the purest, and whenever possible, lowest allergy potential natural ingredients available. Many very sensitive individuals who react to supplements in general can tolerate Allergy Research Group products. Strict quality control procedures are followed in every stage of production, including inspection, manufacturing, packaging, and storing. Allergy Research Group fully discloses all active and inactive ingredients on every product label, allowing you to make informed choices for your nutritional support. Physicians and healthcare practitioners around the world depend on Allergy Research Group for their patients' nutritional support. This brand originated with the ground-breaking oxidant/antioxidant work of Stephen Levine, Ph.D., as one of the first to introduce truly hypoallergenic nutritional supplements in the United States.

EAN: 0713947773608

Package Dimensions: 3.4 x 2.0 x 1.3 inches

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 23825631329

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4.1 ★★★★★
Based on 817 reviews
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Verified Purchase
Jordynn
Belleville, US
★★★★★ 5
AMAZING for my Doberman
Size: For Medium Dog, Color: Grassgreen, Size: For Medium Dog, Color: Grassgreen
This toy is the absolute BEST! It has out lasted every other toy by a long shot. So far it has lasted 7 months with a very tough chewer. No other toy has lasted more than a week or two aside from this one. I got this the same week I got my Doberman puppy. I am very impressed how well it has lasted so far. It’s still in great shape but is missing some of the “spikes” and has some tooth indents. Squeezer still works well too. It’s one of his favorite toys.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 5
Puppy loves it! Great activity.
Size: For Medium Dog, Color: Grassgreen
My 5 month old puppy absolutely loves this toy. She spends hours chewing on it and squeaking. It’s heavy enough duty that she can’t bite the side parts off but she can munch on it at the back of her teeth. Great for cleaning teeth! She did bite some of the little nubs off but I expected some of that. It’s really the perfect hardness for her. Worth buying!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
L
Verified Purchase
Lindsay Marie Cirrincione
Louisville, US
★★★★★ 5
Incredibly durable
Size: For Medium Dog, Color: Grassgreen, Size: For Medium Dog, Color: Grassgreen
I bought this for my malinois mix when i got her last august. She's 10 months old and plays with this toy every day. This is such a durable toy! I strongly suggest this for everyone
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Reviewed in the United States on May 3, 2026
L
Verified Purchase
Lauren
Houston, US
★★★★★ 4
He loves it! It will probably be destroyed soon though...
Size: For Medium Dog, Color: Green, Size: For Medium Dog, Color: Green
Update! This toy has definitely withstood my boy's daily chewing! It's lost some pieces for sure, but overall it's holding up and I'm very happy about it. The only downside is the squeaker is rather difficult to get to make noise. Will still definitely invest in another when this one finally goes. Original review: I bought this for my handsome pitbull/boxer mix -- the boy loves to chew toys up! He's an aggressive chewer and he was bored with the current toys we had. This toy is advertised for chewers, and I imagine if my boy wasn't such a great chewer, it would be amazing! We've had it three days now and he's already gotten a few big chunks off of it. It is definitely entertaining him though! He loves it and he seems like he's chewed himself into a daze. There is a squeaker in the bottom that seems difficult for him to get to so it doesn't squeak often -- when it does though he freaks and it's hilarious. Overall I'm very happy with this purchase. My boy is a very aggressive chewer and I know pretty much anything we get him will be destroyed soon after he gets it. With how much he is enjoying this toy, I will be buying it again for him.
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Reviewed in the United States on November 18, 2023
B
Verified Purchase
Beach Life
Chelsea, US
★★★★★ 5
Outstanding Chew Toy
Size: For Large Dog, Color: Green
My dog is beyond an aggressive chewer. Toys are in pieces in minutes no matter what the manufacturer says. The squeaker? Forget it gone immediately. She has had this toy for two days and not only is it intact but she hasn’t been able to remove the squeaker!! Great product!!!
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Reviewed in the United States on March 27, 2026

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