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โก Elevate your energy, focus, and wellnessโone tablet at a time!
21st Century Vitamin B-12 1000 mcg Prolonged Release Tablets provide a potent, sustained dose of B12 to support energy metabolism, neurological health, and red blood cell formation. With 110 compact, gluten-free tablets designed for easy daily use, this supplement ensures over three months of consistent, clean B12 support to keep you sharp, energized, and thriving.













| ASIN | B0007PQARK |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #13,220 in Health & Household ( See Top 100 in Health & Household ) #73 in Vitamin B12 Supplements #1,224 in Sales & Deals |
| Brand | 21st Century |
| Brand Name | 21st Century |
| Color | No Color |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 978 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Tablet |
| Dose Release Method | Immediate Release |
| Flavor | Unflavored |
| Global Trade Identification Number | 00740985211045 |
| Item Dimensions | 2.38 x 1.75 x 3.75 inches |
| Item Form | Tablet |
| Item Weight | 55 g |
| Manufacturer | 21st Century |
| Manufacturer Part Number | 21104 |
| Model Name | 21104 |
| Model Number | 21104 |
| Number of Items | 1 |
| Pill Coating | Uncoated |
| Primary Supplement Type | Vitamin B12 |
| Product Benefits | Metabolism Improvement |
| Special Ingredients | Supports Nerve &Blood Cells. Suppor Energy & Metabloism. |
| Specific Uses For Product | Nerve |
| Supplement Formulation | Multi-Supplement |
| UPC | 740985211045 |
| Unit Count | 110 Count |
P**T
Value +
The 21st Century B12 1000 mcg Prolonged Release Tablets are a real bargain. Iโve noticed a difference in my energy levels, and the prolonged-release formula makes them easy on the system. Good quality, effective, and very affordableโdefinitely recommend if you need a reliable B12 supplement.
A**R
Helped me
Love them. They did the trick. My levels are back up.
J**A
I misunderstood....
I had purchased the 5000 mcg sublingual tablets and I loved the flavor and how they dissolved, but they were too potent for every day use. I prefer to take them daily so I don't lose track of when I took one, so I ordered the 1000 mcg version but I didn't realize that they were NOT sublinguals... I can take pills but I enjoyed the little fruity treat every morning...it reminded me of being a kid and taking my vitamin....now I'm back to being an old lady having to swallow a pill... but on a good note the 1000 mcg tablets do work well, and they were a great price and are easy to swallow...so I can't complain about the actual product...I just wish they had been sublingual like the 5000mcg ones...
J**S
Great product
Great product
I**R
Best B12 supplement available OTC
This supplement has been very easy to integrate into my daily routine. I usually take it right after breakfast. This has helped keep my blood pressure in check. Definitely ditch the prescription medications and opt for this instead.
J**T
no bad taste, may be a little troublesome to swallow
i haven't been taking them long enough to determine the benefit so my next doctors appt i'll update the review with if it's actually helpful or not - but in terms of flavor, no offending taste on the tongue or after taste in the back of the throat. i have a few issues swallowing because of the shape, i think the pills would benefit from more rounded edges, but other than that it's a good value for the price.
J**E
Works
Great product and price is right
M**R
Awesome B-12
This is the same exact B-12 that I received when going to a weight loss clinic (at a much chrape price). I was taking it with Phentermine at the time and was told to only take it 1x weekly. However, I'm not currently taking Phentermine. The bottle says that you can take them daily but I found that I was having headaches. As of now, I take them every other day. This is not for weightloss. This is great if you are looking for ENERGY! Early mornings have not been as horrible. My job has not zapped the life out of me like it used to. Going to the gym has been easier. I'm so glad I found these.
C**W
Good and cheap!
Good and cheap!
J**O
Top
Chegou bem antes do prazo.
K**R
ู ู ุชุงุฒุฉ
ู ู ุชุงุฒุฉ
F**L
ู ู ุชุงุฒ
ููุชุงู ููุงุช
N**M
I got a child pack broken vitamins B-12 How can exchange ??
I got a Shilpa broken 21st century B-12 ,1000mcg
Trustpilot
1 month ago
2 months ago