Page 1 - Reviews - Force Factor, Spermidine, 120 Vegetable Capsules (5 mg per Capsule) - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 803 ratings
666
97
33
5
2
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What customers say
Customers generally appreciate the Force Factor Spermidine supplement for its potential anti-aging and cellular health benefits. Many users highlight the high quality, effective dosage of 5 mg per capsule, and easy-to-swallow vegetarian-friendly capsules. The product is praised for supporting autophagy, longevity, and overall vitality, with some customers reporting improved energy levels and healthier skin. However, several users mention that noticeable effects may require prolonged use, as immediate results are not always evident. The packaging receives mixed reviews; while some find it stylish and comfortable, others criticize it for being unnecessarily large compared to the content size. Overall, despite varying experiences regarding immediate effectiveness, many customers express satisfaction with the product's quality and intend to continue using it.
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iHerb customer
Posted on Oct 30, 2025
Canada
34
0
0
0
Spermidine
Verified purchase
Perfect dosage per capsule. I take 5mg (one capsule),so the package is enough for 4 months! Good quality product and important for your health
iHerb customer
Gold
Posted on Nov 16, 2024
Canada
333
0
0
98
Verified purchase
Force Factor Spermidine capsules deliver 5 mg per capsule (10 mg per serving) of this compound, often associated with cellular health, anti-aging, and autophagy support. The vegetable capsules are non-GMO and designed for easy digestion, making them suitable for various dietary preferences. With 120 capsules, it provides a good supply for long-term use. While promising for longevity and cellular repair, the benefits may vary, and further research on spermidine's effects is ongoing. A high-quality option for those exploring cutting-edge supplements.
AnnaKrav
Silver
Posted on Dec 30, 2025
Thailand
138
0
1
20
Just great!
Verified purchase
Spermidine it's a great supplement and part of my anti aging program. I really like and trust this brand. Capsule has small size and its 5 mg per take. perfect!
Christinegretagauthier
Gold
Posted on Mar 28, 2026
United States
351
0
2
73
Please Google this supplement
Verified purchase
Everyone should know about this!!!! Cellular clean up of your body! Helps your cells to remove free redicals which causes premature aging and we don’t want that
Hd1903dm
Posted on Mar 4, 2026
United States
69
0
0
8
Verified purchase
With research this company holds up with being reputable and price was good too. Quality products, small, easy to swallow pills with no after taste.
iHerbCustomer
Gold
Posted on Jan 12, 2026
Latvia
458
0
2
49
Spermidine
Verified purchase
I heard a lot of positives that this supplement can do, I am giving a shot. The only problem the dosage should be more than 5 or 10 mg, more like 20mg
iHerb customer
Posted on Jan 15, 2026
Switzerland
66
0
0
1
Verified purchase
I’m very satisfied with my order from iHerb. The product quality is excellent, exactly as described, and the packaging was secure and professional. Delivery was fast and reliable, everything arrived in perfect condition. I truly appreciate the wide selection of high-quality products and the smooth shopping experience. I will definitely continue ordering from iHerb and highly recommend it.
iHerbCustomer
Silver
Posted on Nov 27, 2025
Philippines
188
0
399
174
Verified purchase
What I like: easy-to-take capsule, good dosage (5 mg), feels like gentle support for long-term cellular health. What to expect: subtle changes — maybe a bit more energy or recovery over weeks to months; not an instant “youth pill.” How I take it: 1 capsule per day with a light meal, usually in the evening. Bottom line: A solid, low-risk add to your anti-aging stack — worth trying if you’re patient and consistent.
iHerb customer
Gold
Posted on Oct 15, 2025
Israel
341
2
0
12
GOOD
Verified purchase
I started taking Force Factor Spermidine (5 mg per capsule, 120 capsules) about six weeks ago, and I’m genuinely impressed with the results. Spermidine is gaining a lot of attention for its role in promoting cellular renewal, autophagy, and healthy aging, and this supplement delivers a potent daily dose in a clean, easy-to-take form.
SALSA
Posted on Aug 29, 2025
Israel
84
0
0
14
great
Verified purchase
The tablet is really great. The ingredients and results are amazing. It really helped me with my diet and even muscle mass in the body. Maybe it helps with protein absorption in the body. The quality is really good and the ingredients are among the best on the market. There is no aftertaste and it arrived very quickly. The size of the tablet is great and it is made of very good quality