Page 1 - Reviews - Source Naturals, Mega Strength Beta Sitosterol, 240 Tablets - iHerb
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Customer Ratings & Reviews

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4.6
Based on 4,415 ratings
3,146
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What customers say
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English (UK)
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iHerb Customer
Posted on 24/05/2026
Ireland
44
0
1
0
Gorgeous
Verified Purchase
Excellent composition, good company, popular brand, super quality, convenient
Auto-translated from Russian
iHerbCustomer
Gold
Posted on 20/08/2025
Kazakhstan
1,035
0
1
36
Benefit
Verified Purchase
Phytosterols are natural components of plants, including vegetables and grains. Numerous clinical studies have shown that plant phytosterols can help maintain healthy cholesterol levels within the normal range.
Auto-translated from Russian
HealthyHana
Posted on 3/12/2025
South Korea
17
7
0
6
For healthy and vital gums
Verified Purchase
I bought this to help manage stress and maintain healthy gums. I've been taking it regularly, and my gums feel healthier than before. It's a bit heavy, but it's easy to swallow. I think it's important to take it consistently.
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wusir
Gold
Posted on 29/11/2025
Taiwan
355
331
33
145
It should work!
Verified Purchase
One bottle after another, I bought the smaller ones instead of the larger ones, I believe they will be effective!
Auto-translated from Chinese Traditional
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wusir
Gold
Posted on 26/12/2024
Taiwan
355
331
33
145
I bought two more bottles.
Verified Purchase
Phytosterols are natural components of plants such as vegetables and grains. Numerous scientific studies have shown that phytosterols can help maintain healthy cholesterol levels within the normal range.
Auto-translated from Chinese Traditional
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Drlam
Silver
Posted on 16/05/2026
Taiwan
193
0
2
29
Daily work essentials
Verified Purchase
As a surgeon, maintaining higher-order cognitive function and emotional homeostasis is a core requirement in the dual pressures of high-difficulty, long-duration surgeries and the professional environment of passing the external specialist examination (surgical specialist qualification examination). Traditional reliance on caffeine for alertness can easily lead to over-regulation of the sympathetic nervous system (such as palpitations, anxiety, or subsequent compensatory fatigue). To achieve a state of "awake yet relaxed" focus under high clinical pressure, I chose TheanineUP™, which features a patented synergistic ratio. The most outstanding aspect of this product is its "neurochemical antagonistic and synergistic mechanism." L-theanine can smoothly cross the blood-brain barrier (BBB), promoting the production of alpha waves in the brain and downregulating glutamate excitatory toxicity, while perfectly antagonizing the vasoconstriction and peripheral nerve excitation caused by caffeine. The combination of these two factors significantly extends time-on-task focus. In practical use, it demonstrates excellent "neuroprotective support," significantly improving the foggy feeling in the brain after continuous ward rounds without causing drastic fluctuations in morning heart rate. For colleagues who also need to make precise decisions in extreme clinical environments and pursue ultimate brain performance, this is a highly scientifically proven daily preparation tool.
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minkythegenius
Posted on 1/03/2026
South Korea
8
0
0
4
I am very satisfied
Verified Purchase
I bought this because my gums hurt, and it really helped. The size is just right, and the quality is really good. It's very effective. The ingredients are also the best. It's very good.
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iHerbCustomer
Gold
Posted on 23/01/2026
Kyrgyzstan
711
3
1
38
Verified Purchase
It truly works to "normalize" men's comfort. After the course, you feel less discomfort and irritation, especially in the evening, when it's important to relax and unwind.
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iHerb Customer
Silver
Posted on 6/01/2026
China
245
449
0
73
It is very helpful in lowering cholesterol.
Verified Purchase
Yuanmei High-Efficiency Beta-Sitosterol, 375mg/tablet, 240 tablets per pack. This plant sterol complex contains beta-sitosterol, campesterol, and stigmasterol, supporting heart and arterial health. Natural ingredients, 5 calories and 32mg calcium per tablet. Helps balance blood lipids and lower LDL cholesterol. Plant-based for peace of mind, high cost-performance ratio, and worth repurchasing!
Auto-translated from Chinese Simplified
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iHerb Customer
Posted on 22/07/2025
South Korea
44
17
7
84
For gum health...
Verified Purchase
I bought it because I was worried about my gum health. I took it for a month and it was good, so I will continue to buy it. It seems to be more effective than I thought. The packaging and delivery were good, and the expiration date was good. I am satisfied.
Auto-translated from Korean
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