Page 1 - Reviews - Solgar, Folate, 666 mcg DFE, 100 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.9
Based on 7,947 ratings
7,067
672
156
26
26
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What customers say
Customers highly praise Solgar's folate supplement for its effectiveness, high quality, and ease of use. Many appreciate the small, easy-to-swallow tablets and the bioavailability of metafolin, which is more easily absorbed than synthetic folic acid. The product is particularly favored by those with MTHFR mutation and pregnant women for its beneficial effects on health. Users report feeling more energetic and experiencing improved nervous system function. The packaging and fast shipping are also frequently mentioned as positives. Overall, customers recommend this product for its excellent ingredients, good price, and reliable results.
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English
Translated reviews
Mjdawd
Silver
Posted on Jan 20, 2026
United Arab Emirates
208
0
2
53
Not for methylation-impaired.
Verified purchase
high quality brand, decent price. for me it caused severe anxiety, racing thoughts, agitation.
iHerb customer
Posted on Jan 9, 2022
United Arab Emirates
26
0
1
1
Verified purchase
Best brand of folate. Used it when trying to conceive.
iHerbCustomer
Silver
Posted on Jul 21, 2025
Armenia
278
91
1
21
Verified purchase
What I love most is that it uses Metafolin® (L-methylfolate), which is the active form of folate my body can actually absorb and use efficiently. Since taking it regularly, I’ve noticed a boost in my energy levels, improved mood, and better focus. I also feel more balanced overall, especially during hormonal shifts.
iHerbCustomer
Gold
Posted on Aug 13, 2025
Philippines
1,732
0
0
75
Verified purchase
Door to door. Job well done. I need it right away. The quality of the ingredients is good! i like it because its all natural and not having stomach ache. Thank you iHerb :)
NatureSaysHello
Posted on Dec 17, 2024
Netherlands
26
0
0
7
Effective Folate Support: Goodbye Tongue Discomfort and Hello More Energy!
Verified purchase
I’ve been using Solgar Folate 666 mcg for a while now and I’m really pleased with the results. I initially started with a lower dose, but after experiencing a sore spot on the side of my tongue, I switched to this higher dosage. Since then, the discomfort has gradually improved and is almost gone. I get regular B12 support, so I knew that wasn’t the issue. The quality is excellent, and the L-methylfolate is easy for my body to absorb. I’ve noticed more energy and better mental clarity. My metabolism feels more balanced, and the taste is neutral, making it easy to take. Overall, the product has been effective in supporting my nervous system and improving my well-being. Highly recommend!
hqwilds
Gold
Posted on Mar 12, 2026
Japan
465
3
67
143
Great value
Verified purchase
Excellent quality folate from a trusted brand. The tablets are small and easy to swallow, and the dosage is well-balanced for daily support. I appreciate that Solgar uses a high-quality form that’s gentle on the stomach. Great value for the quality and quantity.
aytac
Silver
Posted on Oct 29, 2025
United States
122
120
0
1
excellent
Verified purchase
quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition
328af0f1-1e24-4e87-84e1-9ba66f29781b
iHerb customer
Posted on Apr 14, 2026
Bosnia and Herzegovina
8
8
0
0
methyl folate
Verified purchase
I’m very satisfied with this methyl folate supplement. I take it every morning before breakfast together with vitamin B12, and it has become a part of my daily routine. I feel like my body accepts it really well, and I haven’t experienced any side effects. Since I started taking it, I’ve noticed a general improvement in how I feel, especially in terms of energy and overall balance. The quality of the product seems to be very high, and I appreciate that it’s easy to take and gentle on the stomach. The packaging is also practical and convenient for everyday use. Overall, I’m happy with this supplement and would definitely recommend it to anyone looking for a good methyl folate option.
99c7d183-abd8-4a21-9d93-f929249e732e
fc2dddd7-6c4a-4a6a-bd0f-55096c334fd7
iHerbCustomer
Posted on Oct 27, 2025
Kazakhstan
39
1
0
3
Keeps my brain good
Verified purchase
As someone managing a busy schedule with work and family, I’ve struggled with occasional mental fatigue and inconsistent energy. Folate has helped me address that, and after trying 666 mcg folic acid tablets for several months, I’ve found them to be a dependable choice for supporting cognitive function and overall well-being.
iHerb customer
Silver
Posted on Aug 31, 2025
Malaysia
107
1
0
3
Verified purchase
Solgar Folate is a great supplement! The 666 mcg DFE tablets are easy to swallow and seem high quality. I’ve noticed improved energy and focus since adding it to my daily routine. The 100-tablet bottle is convenient and lasts a good while. Highly recommend for anyone looking to support their overall wellness!