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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SKU: 23825631329

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landon
Los Angeles, US
★★★★★ 5
Nice for the price
Color: Navy 09, Size: Large
Ok for the price doesn’t fit the body as well as I thought it would
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Reviewed in the United States on April 24, 2026
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d feldberg
Birmingham, US
★★★★★ 2
well made
Color: Black 09, Size: Large
fits too large.....
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Reviewed in the United States on December 7, 2025
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Burdett Williams-Hanchett
Port Orchard, US
★★★★★ 5
Buy 2
Color: Black 09, Size: Small
Soft light weight fits pretty true to size.
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Reviewed in the United States on March 30, 2026
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Amazon Customer
Dallas, US
★★★★★ 3
Nice quality but questionable fit!
Color: Navy 09, Size: Large
I recently purchased the Alex Vando Mens Golf Shirt in size Large. The fabric quality has a good feel to it — it feels smooth, breathable, and the moisture-wicking seems to work well during light activity. However, the sizing and fit were inconsistent. I ordered a Large, but when I tried it on, it was somewhat tight and fitted around the mid-section, despite not saying "slim fit". I would say I am average size: 5' 9", and 195 pounds. I were a size Large in 98% of the clothing I purchase. This was more like a size Medium - Long. That said, the shirt is also very long! Like, abnormally long. If you're tall (over 6'), this shirt will be perfect. But for anyone else, it won't fit quite as nice. I had to return it as I think an XL would be huge on me!
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Reviewed in the United States on November 19, 2025
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Victoria
Battle Creek, US
★★★★★ 5
Sexy jacket!
Size: XX-Large, Color: Blue
I want to first say that the jacket looks exactly as pictured the color is very spot on it's not too washed out and not too blue. I bought it for my male partner, It really gives him the rugged look without making him look intimidating or too much like an emo boy. I'm thinking hipster style. Secondly, you have to size up if you are intending to wear this jacket on top of a sweatshirt or anything thicker than a t-shirt. I'm so glad that I read reviews before purchasing this because if I had bought his size it would have fit him but he would not have been able to wear a sweater or sweatshirt under it. My partner is tall and about an XL in sizing. The jacket stops just at his waist and accentuates how tall he is. Sleeve length is perfect. I will also say that it's not super thick, it's a great fall jacket just good enough to stay warm in brisk weather. This is more of a fashion piece than it is a coat. Something that no one mentioned is there are two large pockets on the inside of the jacket that my boyfriend loves because he can now hide snacks in them. This jacket honestly gives me New York Street fashion vibes and I love it so much I plan on stealing it from him time to time.
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Reviewed in the United States on October 4, 2020

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