SKU: 69197012011

PREFERRED NUTRITION Berberine (500 mg - 90 vcaps)

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Description

PREFERRED NUTRITION Berberine (500 mg - 90 vcaps)PREFERRED NUTRITION Berberine 90 V Capsule(s) NPN: 80051589 Helps maintain healthy glucose metabloism Helps maintain healthy cardiovascular health Beneficial in the treatment of arrhythmias and heart failure. Berberine is an alkaloid that occurs naturally in a variety of medicinal plants, including the roots of Berberis vulgaris (barberry). It has a long history of therapeutic use, with a large body of research focusing on its success in managing

PREFERRED NUTRITION - Berberine - 90 V-Capsule(s) - NPN: 80051589  

  • Helps maintain healthy glucose metabloism
  • Helps maintain healthy cardiovascular health
  • Beneficial in the treatment of arrhythmias and heart failure.

Berberine is an alkaloid that occurs naturally in a variety of medicinal plants, including the roots of Berberis vulgaris (barberry). It has a long history of therapeutic use, with a large body of research focusing on its success in managing blood glucose, blood lipids, and insulin sensitivity (Tabeshpour et al., 2017). Multiple clinical studies support the benefits of berberine when taken at a dose of 500 mg twice per day (Firouzi et al., 2018).

Berberine’s activity begins during digestion when it inhibits some of the enzymes responsible for breaking down carbohydrates and starchy foods in the digestive tract. This helps lower the amount of glucose that is absorbed into the bloodstream (Firouzi et al., 2018). When glucose is absorbed, berberine helps the body use it more efficiently by activating an enzyme called AMP-activated protein kinase (AMPK). This encourages glucose uptake into cells and stimulates its conversion into energy (Firouzi et al., 2018).

A review of 28 studies of diabetic patients confirmed that berberine significantly reduces fasting and postprandial blood glucose, especially within its first three months of use (Liang et al., 2019). A 16-week randomized clinical trial compared the effects of berberine, lifestyle modifications, and a commercial diabetic therapy on metabolic parameters of patients with non-alcoholic fatty liver disease (NAFLD).

Compared to lifestyle modifications alone, supplementation with two 500 mg doses of berberine per day and lifestyle modifications provided superior metabolic benefits, including a reduction in postprandial glucose within the first four weeks of supplementation, plus improved insulin sensitivity, body weight, waist circumference, blood cholesterol, and triglyceride levels (Yan et al., 2015).

Berberine supports insulin sensitivity and enhances the activity and number of insulin receptors available to move glucose out of the bloodstream (Firouzi et al., 2018). As part of a three-month clinical study, patients with metabolic syndrome were supplemented with three 300 mg doses of berberine per day. Compared to patient baseline levels, fasting insulin was found to decrease by 26% and blood glucose decreased by 17%. Improved insulin sensitivity may have encouraged a reduction in lipid stores, as berberine was also found to reduce patient body mass index and waist circumference (Yang et al., 2012).

Dyslipidemia, defined as low HDL (high-density lipoprotein) combined with elevated LDL (low-density lipoprotein) and triglyceride levels, is a cardiovascular risk factor. Berberine helps the body manage blood lipid levels by stimulating AMPK activity and supporting effective lipid metabolism by the liver (Tabeshpour et al., 2017).

Randomized clinical trials support this activity and have consistently shown that berberine can significantly reduce LDL levels by 0.5–1.3 mmol/L and triglyceride levels by 0.6–1.4 mmol/L (Koppen et al., 2017) In a randomized, placebo-controlled study, 116 diabetic patients with elevated blood lipid levels were supplemented with two 500 mg doses of berberine per day for three months. Compared to baseline lipid levels, berberine significantly reduced total cholesterol by 18%, LDL by 21%, and triglycerides by 36%. Berberine also reduced postprandial blood glucose by 28% (Zhang et al., 2008). The same dose regime was used in a randomized, placebo-controlled study of patients with hypercholesterolemia but who were otherwise healthy with low cardiovascular risk. After three months of supplementation, total cholesterol and LDL levels had decreased by 12% and 16% respectively (Koppen et al., 2017; Derosa et al., 2013)

DIRECTIONS & USE
Recommended adult dose: 1 capsule 2 times daily with meals or as directed by a health care practitioner. Consult a health care practitioner for use beyond 3 months.

CAUTIONS & NOTES
Consult a health care practitioner if you have leucopenia, a kidney disorder, hypotension or blood pressure problems. 
Consult a health care practitioner prior to use if you have hypoglycemia or diabetes. 
Do not use if you are pregnant or breastfeeding. 
May cause gastrointestinal discomfort such as constipation, vomiting, abdominal pain or diarrhea, in which case discontinue use and consult a health care practitioner. 
Keep out of reach of children.

INGREDIENTS
Berberine (hydrochloride) (Berberis vulgaris) (root bark)     … 500 mg

Non-Medicinal Ingredients
Vegetarian capsule (carbohydrate gum, purified water), microcrystalline cellulose, vegetable grade magnesium stearate (lubricant), silica, stearic acid.

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SKU: 69197012011

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4.6 ★★★★★
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Product Reviews
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 5
Love it!!
Size: 3.3 Fl Oz (Pack of 1)
Love the way this smells and the shimmer; I’m a glitter for every occasion girly, so this helps me be subtle lol. I got compliments on the scent & it was all I had on. A little goes a long way. It’s not super greasy, but def don’t need a lot of it.
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Reviewed in the United States on April 27, 2026
P
Verified Purchase
Pia Bia
Pawtucket, US
★★★★★ 3
honestly, very conflicted
Size: 3.3 Fl Oz (Pack of 1)
the pros: incredibly hydrating, absorbs quickly into the skin, the nozzle turns to lock, leaves me glowing, the price point is good, dispenser doesn't get clogged... the cons: it's not as sparkly/shimmery as i'd expect it. i expected more gold sparkle, i realized that i ended up super hydrated and moisturized with a spec of gold glitter here and there after application. the photos of the product are deceiving. there is an issue with the cap, it never stays on. overall: i do like it for the longetivity and how nice and moisturized it makes my skin feel, but i'll be searching for a product that has more sparkle/shimmer while being equally as hydrating. that's what i want!!
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Reviewed in the United States on May 12, 2025
A
Verified Purchase
Audra K
West Palm Beach, US
★★★★★ 5
Holy Grail Moisturizer for Rosacea
Style: Restorative Protective Cream-3.3 Fl Oz
In seeing so many negative reviews I felt compelled to weigh in as this is my favorite moisturizer. I have very dry, menopausal skin. Additionally, I have rosacea which seems to have been a nice gift from said menopause (you can only laugh, right?). It's very common for those of us in our 50's to have a compromised skin barrier and when an issue like rosacea is present, even more so. Because of all this my skin is very intolerant to most moisturizers and nearly all actives (over the last few years I've had to discontinue my retinols and chemical exfoliators). While ingredients like ALA's, petrolatum, mineral oil, parafin/bees wax, and lanolin are well tolerated and known to be quite soothing, they don't hydrate very well as they are more occlusive than moisturizing. Enter this product. Magically, it does both! It's marketed as a protective cream, which again implies occlusive, but it penetrates like no other. Gone is the tight, dry feeling that persisted even when I had a heavy layer of product on my skin (my previous moisturizer was Eucerin Original Healing Cream -- which still has its uses -- because it was the only thing I could put on my skin outside of squalane oil during a flare). Now, no topical can cure rosacea. However, the right product can calm the skin, repair the damaged lipid barrier, and improve its appearance. This moisturizer does just that and it's become my holy grail. Since starting this I've also added in the Cicalfate Serum which has only aided in repairing my skin. Another Avene product that works great for me is the XeraCalm Balm which helps with itching. I use all three of these daily and they've really helped fix the secondary issues that come with rosacea. As for the complaints about it being greasy or too heavy. I can see this not working for people with normal or oily skin (or perhaps only in moderation). But my skin loves the heavier weight and because one of the ways I soothe a flare is to keep a tiny mister bottle on hand and repeatedly spray my face so I have to guard against the drying effects of evaporation. These products are so lipid heavy that I can wet my face all day long without worrying about that, though I do reapply throughout the day. As for the watery consistency issue, I haven't had that problem but it does caution on the packaging not to expose the product to temperatures below 41 degrees F (5 C). I suspect that if it gets too cold either because of the weather or because of whatever warehouse it sat in during transit it will separate. Maybe open the package and before squeezing some out look to see if it has split and then shake it up/message the tube. So, if you have skin like mine don't hesitate to try this product. I'm leaving this absurdly long review for my struggling brothers and sisters out there with rosacea in hopes that it provides some relief! Happy moisturizing, internet strangers. ;)
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Reviewed in the United States on July 18, 2025
T
Verified Purchase
Tobyizme
Dallas, US
★★★★★ 4
Possible solution to seperation
Style: Restorative Protective Cream-1.3 Fl Oz
I love this product so much, but, like everyone else the water HEAVILY separated. A lot of water just shot out immediately and as i've used the cream it has felt more and more thick bc of that, shaking the tube or not. POSSIBLE SOLUTION: I actually think the company could salvage this problem by upgrading packaging to a Cosmetic JAR and then customers could take a toothpick and stir if separation has occurred by the time of purchase. I hope to try this with my next tube, just toothpaste squeezed everything out into a nice cosmetic jar and stir the water back into the product. This is such a simple solution that could really solve the product waste. This refreshes my skin, doesn't break me out, and is lovely. I break out so easily, and being middle aged my skin really requires a dense help with moisture. <3
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Reviewed in the United States on April 22, 2026
T
Verified Purchase
Tara Tadema
Whiting, US
★★★★★ 5
Ordered in spring/summer and it arrived separated too BUT...
Style: Restorative Protective Cream-1.3 Fl Oz
Ok, So I heard great things about this cream and decided to order. I ordered on May 28th and I live on the Gulf Coast of Texas and it is in the low 90s right now. I was worried mine would arrived separated like many others claimed to have gotten theirs, and sadly it did. Warm weather or not, blue water shot out of the tube the minute I squeezed it. Luckily, I read Mia P's review and submerged my tube in warm water (hot water actually straight out of my instant hot water faucet). I left it for about 5 minutes then shook it vigoroously. It seemed to help but was still a bit wonky so I repeated the process again and success! My tube is totally fine now and comes out in a thick, rich, emollient cream as it is supposed to. I will update my review after I use it more but so far I love the way it feels on the skin. It is very thick but spreads nicely and completely absorbs into the skin and leaves no greasy residue which is a big deal because I have oily skin. I purchased this to help with my Retin A uglies (I actually am using Musely with .05% tretinoin) and am hoping it helps with the redness and peeling I am having. I will update my review once I've used it for a while but wanted to post this review as I saw so many people complaining about the separating and just thought I'd mention that you can fix this issue if you have it (and there is a good likely hood that you will). Update: I've been using this for a week now and I am absolutely in love with this cream! It is the most hydrating and healing cream I've ever used. Usually, thicker face creams like this would cause issues for me with acne or clogged pores as I do have oily skin that can break out if I use products with occlusive ingredients, but this one does not. In fact, my skin has never looked better! This is a must-have if you are using Retin-A/Tretinoin and going through the red/peely phase with your skin. The separation that occurred when I first received it has not been a problem and the cream is staying thick and free from any strange liquidy issues after I put it in hot water as mentioned in the first part of my review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2023

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