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Description
Source Naturals Serene Science 5-HTP 200 mg - 60 CapsulesSource Naturals Serene Science 5 HTP 200 mg in a 60 cap bundle. Derived from Griffonia simplicifolia seeds, this formula provides 200 mg per capsule and is designed for daily use with meals. Derived from the seeds of Griffonia simplicifolia Suggested Use: 1 capsule daily with a meal This formula contains 200 milligrams per capsule Over 40 Years of Trust Source Naturals was created in 1982 by CEO Ira Goldberg Manufactured in the USA, Scots Valley, CA,
Source Naturals Serene Science 5-HTP 200 mg in a 60-cap bundle. Derived from Griffonia simplicifolia seeds, this formula provides 200 mg per capsule and is designed for daily use with meals.
- Derived from the seeds of Griffonia simplicifolia
- Suggested Use: 1 capsule daily with a meal
- This formula contains 200 milligrams per capsule
- Over 40 Years of Trust — Source Naturals was created in 1982 by CEO Ira Goldberg
- Manufactured in the USA, Scots Valley, CA, under FDA cGMP guidelines
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4.1 ★★★★★
Based on 1773 reviews
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Product Reviews
★★★★★ 4
Great little temper
Size: 53mm, Color: Silver
Works great! Only problem is that it doesn’t have that feel of tamping. Wish I had more feedback. It just goes down very easily and doesn’t have that feeling of solid tamping. Now that doesn’t mean it’s not doing its job. Works fine but would like some manual feedback.
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Reviewed in the United States on November 7, 2024
★★★★★ 5
Easy to use
Size: 58.3mm, Color: Black
Great for make good coffee and easy to use.
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Reviewed in the United States on October 24, 2025
★★★★★ 5
Take the guess work out of the flow!
Size: 58.3mm, Color: Black
I got this because when my wife makes espresso, it's watery. When i make it, it's fine. We needed a controlled Tampering method so we both do the same job.
This is heavy, and being able to use the whole hand instead of fingers, not much effort is needed.
Since we purchased this, we were able to make consistent espresso shots for sure.
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Reviewed in the United States on July 12, 2024
★★★★★ 3
Not as good as I expected
When it first came, the box fell apart as I was taking it out, and a lot of some kind of dirt or sand kept falling out all over my table and floor. I had the take the entire thing apart and thoroughly wash it.
After drying age reassembling it, I tried it on my portafilter that came with my Breville Barista Express, but, somehow, it doesn't always make the tamping level. You would think with the ridge that rests on the side of the portafilter that it would force it to remain level, but, somehow, it doesn't, at least not consistently. It also has varying lengths (heights, or depths), and a single spring tension, so you may still over tamping or under-tamp. I was expecting it would have a censor that would just detect once it reached 30 lbs of force and cut off after that, similar to a torque screwdriver, but that's not what this is.
I'll still give it 3 stars because, despite the problems mentioned above, it at least produces some amount of consistency, even if that isn't measurable; but, I can't give it 5 stars because of those issues mentioned above.
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Reviewed in the United States on January 7, 2025
★★★★★ 5
This is the one.
Size: 58.3mm, Color: Black
As an el Supremo Coffee Geek, I've wasted money on lots of different tampers. Save your money and buy this one or it's equivalent. This thing is heavy duty, solid, well-made, self-leveling, tamps at 30 pounds and is fool-proof even for fools. Also, it's a palm tamper meaning more fun and more satisfying to use as you prep the puck for your morning buzz. Buy it. You will thank me.
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Reviewed in the United States on March 30, 2024