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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 313 ratings
268
34
9
1
1
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What customers say
Customer reviews (314)
Product reviews solely reflect the views and opinions expressed by the contributors and not those of iHerb. iHerb does not verify or endorse any claims made in these reviews. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Reviews from United States
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English
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Safwan
Silver
Posted on Mar 15, 2026
United States
224
13
0
53
Simple and Effective Vitamin C
Verified purchase
This vitamin C supplement works well for daily immune support. The tablets are easy to take and the dosage is perfect for everyday use. The bottle contains many tablets which makes it a good value. I would buy it again.
iHerb customer
Posted on May 9, 2026
United States
4
0
0
0
Cheaper than Nature Bounty. Tablet is more yellow than Nature Bounty's.
Verified purchase
The ingredients contribute to more yellow color. From ChatGPT 🧾 2. Why they look different (key reason) 🟡 Futurebiotics = more yellow appearance Futurebiotics tablets include: Microcrystalline cellulose Croscarmellose sodium Magnesium stearate Silicon dioxide HPMC (coating agent) PEG 👉 Important effect: These tablets often use less whitening agents Slight natural off-white/yellow tint shows through Coating can also give a warm yellow hue ⚪ Nature’s Bounty = whiter appearance Nature’s Bounty includes: Vegetable cellulose Silica Magnesium stearate (small amount) 👉 Key difference: More standardized “bright white” tablet excipients Typically more color-neutral fillers Better “cosmetic consistency” batch-to-batch. More details on Futurebiotics' ingredients. Microcrystalline cellulose Croscarmellose sodium Magnesium stearate Silicon dioxide HPMC (coating) PEG 🧠 What each one is doing 🧱 Microcrystalline cellulose (MCC) Main filler + binder Gives tablets structure and hardness Very common in modern supplements 💥 Croscarmellose sodium Disintegrant Helps tablet break apart quickly in your stomach Improves dissolution speed 🧴 Magnesium stearate Lubricant Prevents powder from sticking to machinery Makes mass production smoother 🌫 Silicon dioxide Anti-caking agent Keeps powder flowing evenly during manufacturing 🧥 HPMC (hydroxypropyl methylcellulose) Tablet coating Controls: moisture protection stability appearance (slight yellow tint possible) ✨ PEG (polyethylene glycol) Coating plasticizer Makes coating flexible and smooth (prevents cracking).
iHerb customer
Posted on Dec 30, 2025
Finland
24
26
0
4
good quality vitamin c
Verified purchase
vitamin xis very effective for immunity so it will help me in absorption of iron it looks good in quality and ingredients is ok . size is also not much . adequate dosage . loved it
iHerbCustomer
Gold
Posted on Nov 19, 2025
Greece
393
0
1
29
Verified purchase
immune system, energy antioxidant activity The versatile vitamin C plays a role in the functioning of the immune system and in protecting cells from oxidative stress.
iHerb customer
Posted on Jun 17, 2026
Philippines
4
3
0
0
beneficial for body
Verified purchase
quality and helps improve my immunity and strength daily, not acidic and package was safe and secured
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Tatiana
Gold
Posted on Feb 10, 2026
Ukraine
485
0
0
25
An Excellent Daily Vitamin C
Verified purchase
This is a high-quality vitamin C supplement that I rely on for daily health support. The well-balanced formula is gentle on the stomach, avoiding any issues with acidity. The 500 mg dosage in each tablet is effective, providing strong antioxidant support for my immune system. I appreciate the large bottle size and secure packaging, which offer great value. The ingredients are straightforward, and the tablets are easy to take. It has become a trusted part of my routine to help maintain my overall well-being.
iHerb customer
Gold
Posted on Feb 13, 2026
Qatar
1,825
0
8
73
Good and affordable
Verified purchase
Quality ingredients and good size for the price dosage is also good
iHerb customer
Silver
Posted on Apr 10, 2026
Singapore
224
0
0
40
Good dosage and good quality
Verified purchase
Happy to find 500mg dosage that I can take at different timings to optimise the efficiency of absorption as compare to a one 1000mg dose since the body cannot absorb at higher dosage. Furthermore this is value for money and is a good 2 month supply.
iHerb customer
Gold
Posted on Mar 29, 2026
Korea, Republic of
1,025
3
0
99
최고!
Verified purchase
I hope this works for me. I like it. The price is very reasonable. The expiration date is far off. And, This brand has a great reputation.
iHerb customer
Silver
Posted on Mar 3, 2026
Greece
127
0
5
13
Verified purchase
Good quality. The tablets are small and convenient to use, a large quantity of 120 tablets for the price. No stomach irritation after taking. I take it after food, one tablet a day, a completely sufficient intake of 500mg.