Page 1 - Reviews - Force Factor, LeanFire®, 60 Vegetable Capsules - iHerb
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Customer Ratings & Reviews

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4.4
Based on 17,217 ratings
11,787
2,551
1,692
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What customers say
Customers generally report positive experiences with Force Factor LeanFire®, highlighting its effectiveness in boosting energy and aiding weight management when combined with diet and exercise. Many users appreciate the clean energy boost without jitters, improved focus during workouts, and appetite suppression throughout the day. The product's quality is frequently praised, with ingredients considered high-quality and well-chosen. The capsule size is easy to swallow, and the neutral taste makes it comfortable to take. However, some users experienced jitteriness when combining it with other caffeine sources like coffee. While most reviews are favorable, a few customers did not notice significant effects on weight loss or energy levels. Overall, the supplement is recommended for those seeking an extra edge in their fitness routines.
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English
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Palmmie
Silver
Posted on Apr 24, 2025
Thailand
109
2
0
11
Burn
Verified purchase
Fat burners may boost energy and metabolism slightly, but results vary. They work best with diet and exercise. Side effects like jitters or sleep issues are possible. Not a magic solution—use with caution.
healthyskin
Posted on Sep 8, 2023
Thailand
140
0
6
37
Suppresses Appetite
Verified purchase
This might be a bit too much caffeine for me. Definitely take it early in the morning on an empty stomach, and then workout to get whatever jitters there might be out of the way. The immediate effect I felt was a decrease in appetite. I could go most of the day, exercise, work, without as many cravings or a desire to eat. Would be useful for dieting while maintaining energy.
Nana
Silver
Posted on Oct 9, 2025
China
251
0
2
31
Works excellent
Verified purchase
It really gives you that boost of energy for a few good hours! I love the way it works! Good quality for the price , size is decent
iHerb customer
Silver
Posted on Nov 28, 2025
Qatar
153
11
0
15
Strong clean energy boost
Verified purchase
This supplement worked better than I expected. It gave me a steady boost in energy and focus without any jittery feeling. I noticed improved endurance during workouts and felt more alert on busy days. The capsules are easy to take and the formula feels clean. It is a great choice if you want something that actually works and does not make you crash afterward.
iHerbCustomer
Posted on Sep 22, 2024
Australia
95
2
0
21
It's the best!
Verified purchase
I'm amazed at how affordable it is, knowing that the quality of ingredients is outstanding! Best appetite suppressant I've tried, no side effects, no rash or upset stomach like it was with other products. Really helps me to control my appetite and stay energetic. I already finished two packs and will repurchase it in the future!
iHerbCustomer
Silver
Posted on Sep 24, 2025
Israel
160
111
5
31
Nice product
Verified purchase
good quality and size, I can't see the benefit yet, no taste
17ff9620-f0c6-49c6-ad77-d48b43e3841f
iHerb customer
Gold
Posted on May 6, 2024
United States
452
0
0
196
Energy boost
Verified purchase
I really like this product for the energy boost and the way it makes me feel. I feel like my digestive system gets a boost of productivity with the great ingredients. It’s easy to add to my routine, no nausea or discomfort when I take it. It seems like a good quality product for the price. I haven’t noticed a huge difference in weight yet, but I imagine that takes consistent use for a longer period of time than I’ve taken it so far.
Sky
Silver
Posted on Dec 7, 2025
Kuwait
205
1
8
14
I like it
Verified purchase
It gives me the morning energy boost that i need to pass the day
Yahya
Posted on Apr 1, 2024
1
1
1
67
the best one
Verified purchase
take this one, and do not look back, I used it one time, and I ordered 2 more. Firstly, I use it, and I lost 3 kg fat, only fat.. once i use Lipo 6, I start to feel angry, aggressive ( not OK for me, maybe OK for u).. i ordered 2 more Leanfire. unbeatable one... I will tell you about next week, Sunday 7th April 😍😍
497f6710-f377-4603-bf2d-8c855ecd1da1
r
Silver
Posted on Feb 9, 2025
Israel
186
3
6
31
Good
Verified purchase
Customers appreciate the nutritional supplement for its energy boost without jitters or nausea. They find it gives them an extra boost during their morning runs. The product quality is good and the pills are amazing.