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b12 injections san francisco TOP 10 BEST B12 Injections in San Francisco, CA - Updated 2026 - Quality & Affordability

Marsoni M251S
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4.2 ★★★★★
Based on 2471 reviews
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A
Verified Purchase
Amazon Customer
Grantham, US
★★★★★ 5
A better floss
The wife loves this. It does remove more plaque than other floss. Its woven so it appears to grab more gunk and plaque. It is also thicker so it fits tighter between the teeth. Good product and worth the $. Would recommend.
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Reviewed in the United States on August 3, 2025
K
Verified Purchase
Kelsen
Lexington, US
★★★★★ 3
Floss itself is great, dispensing unit is a pain
I like the floss, as it’s relatively thick and has a tacky feel that I assume helps remove material on the tooth. But man, did they over engineer their floss dispenser. Have to simultaneously pinch two small recessed levers to pop open the case which is nigh impossible if you bite your nails. Then have to remove an inside cover, then thread floss, then carefully snap it all back. It’s so intricate that you have to download a PDF via QRG to understand it. Compare to Dr Tungs floss where the dispenser is cardboard and you’re good to go after folding one flap. Continued use will depend on whether my wife can use her nails to operate the dispenser unit to refill.
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Reviewed in the United States on May 25, 2024
E
Verified Purchase
Efren
Battle Creek, US
★★★★★ 5
It’s gentle on my gums
My favorite have been using this for years. Highly recommend. The experience is amazing
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Reviewed in the United States on May 13, 2026
D
Verified Purchase
Derrick
Belleville, US
★★★★★ 5
Works well has plenty of pressure.
It is a great device, a bit awkward to use over a bowl sink, but with some minor adjustment of the nozzle, it works well. It appears to be as effective as most water picks and I like not having to fool with a hose, that can break.
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Reviewed in the United States on September 2, 2024
J
Verified Purchase
J. A.
San Leandro, US
★★★★★ 4
Needed replacement, 2nd one works OK
The first one I received had a broken latching mechanism. Not a shipping issue, as the box was fine, it just wouldn't latch the attachments because the mechanism wouldn't come all the way out. After getting a replacement the 2nd one worked better. It has 3 settings for soft, normal, and pulse. For me, the normal put out the best force for clearing out bits. After washing with it for about 30 seconds though I still don't feel it cleans we well as real floss, or even a waterpik, but it does help after brushing. I will add it to my routine as it does help flush out some things, but it won't be replacing my flossing. It is sort of portable, in that can be packed away and holds a charge, but it's still pretty large and takes up a good amount of space in a toiletry bag. It's not bad, but not really outstanding either.
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Reviewed in the United States on May 13, 2024

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