SKU: 17955516177

Pure Spermidine - 1 mg, 180 capsules

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Description

Pure Spermidine - 1 mg, 180 capsulesSpermidine A Vital Compound for Cellular Repair and Longevity* Replenish spermidine*1 Boost autophagy*1 3 Mimic the positive effects of fasting*2 Optimize healthy aging*1 5 View Certificate of Analysis Purely Sourced: Made from purified wheat germ extract, precisely standardized for maximum spermidine content. Never Synthetic: Formulated exclusively from natural sources to provide food grade spermidinefree from synthetic spermidine trihydrochloride.

Spermidine - A Vital Compound for Cellular Repair and Longevity* 

  • Replenish spermidine*1
  • Boost autophagy*1-3
  • Mimic the positive effects of fasting*2
  • Optimize healthy aging*1-5

View Certificate of Analysis

  • Purely Sourced: Made from purified wheat germ extract, precisely standardized for maximum spermidine content.
  • Never Synthetic: Formulated exclusively from natural sources to provide food-grade spermidine—free from synthetic spermidine trihydrochloride.
  • Ideal Dosage: Each capsule delivers "the just right dose" of spermidine to support healthy autophagy activation.*1-3
  • Trusted Quality Since 1988: USA manufactured, 3rd-party lab tested, GMP certified for your peace of mind.

What Makes Ours Better?

  • Longevity Focused: We leverage cutting-edge advancements in aging research to formulate products that address the fundamental causes of aging.*
  • Triple Lab Tested: Every product is tested three times by independent 3rd-party labs to ensure we meet the highest standards.
  • Complete Transparency: In an industry flooded with fake supplements, we stand apart by publishing our 3rd-party lab test results. We’re committed to showing you exactly what’s in every bottle, so you can feel confident in what you’re putting into your body.
  • USA Manufacturing Excellence: Made in FDA-regulated, GMP-certified facilities in the USA for the highest quality and safety standards.*
  • 100-Day Risk-Free Guarantee: We stand behind our products. Not satisfied? Reach out to our Santa Barbara, CA office for a full refund within 100 days – no hassle, no questions.

Spermidine is a naturally occurring polyamine compound present in all living organisms, derived from the amino acid ornithine. It plays a crucial role in youthful cellular processes and uniquely activates autophagy, the body’s cellular cleanup mechanism. Autophagy facilitates the breakdown and recycling of old and damaged cellular components, helping to rejuvenate cell structure and function.*1-3

While fasting and caloric restriction are the most well-known methods for activating autophagy, supplementing with spermidine provides a groundbreaking alternative that mimics the benefits of fasting, effectively “turning on” autophagy without the need for caloric restriction.*1-3

ProHealth Pure Spermidine offers a pure, vegan, and non-GMO source of this powerful compound, supporting the body’s natural cellular renewal processes. For best results, we recommend taking 1 to 3 capsules with your evening meal to jump-start an overnight fast or with breakfast to extend the benefits of your overnight fasting period.*2

Spermidine - A Vital Compound for Cellular Repair and Longevity*

Boost autophagy (cellular clean-up)*1-3
Spermidine acts directly on our cells to restore them to a healthy state. It works by inducing autophagy - a process that keeps our cells working more efficiently by removing damaged parts of the cell and repairing cellular function.*1-3

Mimic the positive effects of fasting*2
When we fast - extend the time between meals - spermidine levels increase, activating cellular repair and restoration processes that promote healthy aging. Supplementing with spermidine can mimic key aspects of the fasting state, allowing your body to experience its healthy aging benefits.*2

Optimize healthy aging*
Spermidine intake is associated with a healthy life span and may support up to nine hallmarks of aging. A research study showed that people who consume more spermidine are likely to live longer, compared to those who consume lower levels.  And research shows that supplementing with spermidine can help preserve the length of telomeres - the regions of DNA that shorten as you age.*1,4

Order now and join the 200,000+ people who trust ProHealth

Ingredients:

  • Wheat germ extract: (Triticum aestivum): A concentrated food source of spermidine.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

References:

1 Hofer et al. Nat Aging. 2022 Dec 22;2(12):1112-1129. 
2 Hofer et al. Nat Cell Biol. 2024 Sep;26(9):1571-1584. 
3 Madeo et al. Autophagy. 2019 Jan;15(1):165–168. 
4 Kiechl et al. Am J Clin Nutr. 2018 Aug 1;108(2):371-380. 
5 Wirth et al. Geroscience. 2021 Apr;43(2):673-690.

Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 180
Amount Per Serving %DV
Spermidine (From Wheat Germ Extract) 1 mg
† Daily Value (DV) not established

REV.09.24

Nu-FLOW® is a registered trademark of Ribus Inc.

  • OTHER INGREDIENTS: Vegetable cellulose (capsule), microcrystalline cellulose, Nu-Flow® (rice hulls).
  • CONTAINS: Wheat.
  • SUGGESTED DAILY USE: Take one (1) to three (3) capsules with your last meal to start an overnight fast, or with breakfast to extend its benefits, or as directed by your healthcare professional.
  • NOTE: Store in a cool, dry place, away from direct sunlight. Do not use if tamper evident seal is broken or missing.
  • CAUTION: For use by healthy adults only. Please consult your physician before use if you are pregnant or nursing, under the age of 18, or are undergoing treatment for a medical condition. Do not exceed the suggested use. KEEP OUT OF REACH OF CHILDREN. Store in a cool and dry place after opening.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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  • 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: 17955516177

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Amazon customer
Boise, US
★★★★★ 5
By far ... the SAFEST and most DURABLE bone for dogs that are hardy chewers!
Flavor Name: Beef, Size: Large
After searching high and low for a NON-TOXIC, DURABLE and truly SAFE dog bone, I finally found the large, beef-flavored, HARD version of the BetterBone for my year-plus-old rescue (Carolina Dog). 1 - it's made of all NATURAL food-grade materials (cellulose from plant cell walls) ... which means no nylon, no GMOs, and no other artificials materials so it doesn't event stain your flooring. My girl loves the tasty beef flavor. 2 - the wishbone DESIGN is genius because it gives her 3 ends to choose from (nubs v raised edges v smooth) and ample ways to stabilize it on the floor with her paws. 3 - it is uber DURABLE in standing up to the hardiest of chewers (my girl gnaws on hers daily and sometimes even multiple 10-minute sessions per day). It works great to clean and reduce tartar on her teeth. The biggest surprise was that it took 6 months for her to gnaw it down to a size that was no longer safe for her (i.e. a potential choking hazard), so I donated it to a lady with tiny dogs at the dog park. At $20 per large bone, it's a good value. 4 - and most importantly, ... it is super SAFE. It degrades in tiny little pieces that could not possibly cause a choking hazard, and being all natural (i.e. no nylon - which most bones do have), there is no worry if she does ingest some of the particles. They vacuum up with ease. The large bone weighs in at just over 12 ounces so it's kinda' heavy (9.25" long x 5" wide x 2" thick), but my 56 lb girl has no problem picking it up in her mouth before she hops up on the couch with me or into her bed. Thank you BetterBone for making a superior product that is healthy, safe and fun for my pup!
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Reviewed in the United States on July 15, 2025
K
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Karen
Boise, US
★★★★★ 5
Great chew
Flavor Name: Beef, Size: Large
Excellent! My super chewer loves it! He chews it everyday and it holds up!
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Reviewed in the United States on May 1, 2026
J
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jennabailey1272
Louisville, US
★★★★★ 4
Decent durability
Flavor Name: Beef, Size: Small
My super chewer pit bull mix loved these! They lasted several weeks.
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Reviewed in the United States on April 16, 2026
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David
New York, US
★★★★★ 5
Best chew toy we have ever purchased.
Flavor Name: Classic, Size: Large
My moderately active 80lb Lab - Pit mix has been steadily working on this bone for over a year. He doesnt chew it every day but he does regularly chew it for 30 or more minutes at a time. He has only been chewing on the smooth end, and the only wear it shows is a slight thinning and some grooved tooth marks. It has not had any chunks come off, and has never developed any sharp edges that make it hard to play with. It has never smelled or gotten slimy. It has never triggered resource guarding with him, but he likes it enough that presenting it to him will often get him to settle down and chew when he is in a rambunctious mood. Its size and shape allows him to hold the textured Y end with his paws while chewing on the smooth end. All in all a fantastic toy!
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Reviewed in the United States on February 15, 2026
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Lindsay
Birmingham, US
★★★★★ 5
Happy Doggo
Flavor Name: Beef, Size: Small
He immediately loved it. He doesn't take to bones quickly, but this one caught his eye. He's a 35 lb shepherd mix, and loves antlers, and chews pretty hard. I love that it doesn't smell, and havne't seen or noticed flakes. Overall would recommend.
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Reviewed in the United States on April 6, 2026

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