Page 1 - Reviews - 21st Century, Antioxidant, 75 Tablets - iHerb
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Customer Ratings & Reviews

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4.7
Based on 1,822 ratings
1,408
251
122
24
17
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English
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MaryGSM
Posted on May 23, 2024
Qatar
34
0
0
12
thank you for restocking
Verified purchase
this was my go to supplements during the pandemic and it greatly helped my immunity. ingredients included your vitamins c, zinc, d and selenium - all required for boosting your immune system. The quality is good although the size of the table is a bit big to swallow. overall package is good.
iHerbKate
Gold
Posted on Feb 6, 2025
Canada
407
0
0
42
good
Verified purchase
This is a great product that helped me. I like the packaging and quality. The delivery was very fast and the price makes it affordable.
areej
Posted on Dec 2, 2025
Saudi Arabia
26
0
0
0
excellent product
Verified purchase
Frequency: I take it 4–6 times a week, and a consistent frequency definitely improves the overall benefits. Blend: The antioxidant blend is well formulated, combining multiple actives that work synergistically without feeling overwhelming or causing side effects. Benefits: The benefits include reduced fatigue, better resistance to stress, improved skin radiance from within, and powerful protection from oxidative damage. It also feels great during seasonal changes. Package: The package is well sealed and protects the product from light, air, and moisture, which supports long-term use and keeps the quality intact. Size: The size of the bottle is practical—usually around 30 to 90 servings depending on the product, making it suitable for daily personal use without running out quickly. Use: Very easy to use, whether it’s a capsule, tablet, or scoop, and it fits smoothly into a daily wellness routine. Quality: The quality is impressive. No stomach upset or irritation, and the blend feels clean, fresh, and premium. Ingredients: The ingredients list is clean and thoughtfully selected, often including natural antioxidant sources like plant extracts, vitamins, or polyphenols that enhance the benefits of the overall blend. No artificial colors or flavoring detected.
iHerb customer
Posted on Oct 28, 2025
Moldova, Republic of
10
2
0
0
Excelent!
Verified purchase
I really like this antioxidant! 🌟 It has helped me feel more energetic, better overall, and support my daily health. I only have a few left and I’ll be placing another order soon. Easy to take and I highly recommend it!
c150531a-bb4d-46fd-be7c-83071d65d8fa
iHerb customer
Posted on Feb 2, 2026
Singapore
24
20
0
1
Key Antioxidants & Nutrients to Consume
Verified purchase
High-quality antioxidants and nutrients can help reduce menstrual cramp pain and inflammation. I’m researching their benefits for easing post-period pain and hope to see better results. iHerb offers fast shipping, affordable prices, and well-packaged products. Suitable for most age groups and for daily dietary use. Large red pill with quality ingredients.
e94189fc-2dea-4a56-8e48-7bbe7e45fde6
iHerb customer
Posted on Jan 3, 2026
Jordan
21
0
0
0
G
Verified purchase
Good quality Good ingredient Scent good Good smell High care Good scent that easy use with high quality and full size 18 age no package with wow benefit and composition low sensitive and gentle low frequency concern High ingredient dosage Taste wow Easy use Good size Good package Benefit wow Age Serving easy Frequency easy Good diet Flavor good
KnowThyHealth
Silver
Posted on Apr 5, 2025
United States
170
0
0
8
Verified purchase
this is a great product, in a tablets form that is convenient and easy to take
Larak
Gold
Posted on Nov 4, 2025
Lebanon
423
154
0
9
excellent
Verified purchase
High-quality antioxidant supplement with a good mix of ingredients. Tablets are easy to take, and the packaging is sturdy. Great value and reliable daily support.
LDGm
Gold
Posted on Oct 19, 2025
Malaysia
1,024
1
0
15
Verified purchase
This supplement ingredient is good .the size and package is worth to buy. Good for health improvement Found out a lot benefit , great stuff for
iHerb customer
Posted on Oct 14, 2025
France
21
2
0
0
Прекрасно!
Verified purchase
Thank you very much for this product, it suited me, I like the packaging, comfortable and stylish, I will order more of these products, and recommend them to all my friends and relatives! good!!