Best Catechin Antioxidant Supplements of 2026

"I've been taking these green tea capsules as part of my diet and exercise regimen. While I don't believe the pills alone caused my 15-pound weight loss, I do think they provide health benefits and a natural energy lift that beats artificial stimulants. My brother, who doesn't exercise as much, saw even better results. Just don't expect magic—you need diet and exercise for real results."

"After starting these pills, I immediately noticed a huge drop in my appetite and felt full for the rest of the day after lunch. I also experience less bloating, which has been a big plus for me."

"I switched to this brand for comparison and never looked back. The energy boost is fantastic, and I've even lost some weight—though I wasn’t aiming to. These capsules definitely suppress my appetite, and I love the steady, clean energy throughout the day. I keep reordering because I truly like how they make me feel."

"I've found this green tea extract to be excellent for weight loss. The capsules have no taste, which makes them easy to take."

"My husband uses this supplement for extra energy and mental focus. We appreciate the minimal caffeine—no jitters at all. The double safety seal also gives us confidence in its quality and safety."

"I haven't really noticed a difference yet, but I know results can vary for each person."

"I really appreciate that this supplement doesn't contain B complex, which is perfect for people like my mom who can't tolerate it due to rosacea. It's been very effective for her health, allowing her to get necessary vitamins without any adverse effects. Thank you, Carlyle!"

"Adding this to my morning routine has been a great choice. I find it affordable, and it seems to help with lowering cholesterol and heart health. I also notice a boost of energy and less knee inflammation during my daily walks."

"I'm usually sensitive to vitamins, but this one is easy on my stomach and never makes me feel off. I take it twice a day with meals and feel good every time. Definitely a product I would buy again."

"I've been taking this supplement and have definitely noticed higher energy levels and improved digestion. It's easy to include in my daily routine, and I appreciate the added vitamins and biotin along with the green tea catechin. The capsules are simple to swallow and I feel it's a great way to support my overall wellness."

"For me, these green tea tablets have been a reliable energy booster, keeping me feeling full and energized throughout the day. The inclusion of B-vitamins, Biotin, and Zinc adds extra benefits. There's a slight aftertaste, but no odor and the capsules are easy to take. I think it's especially helpful if you're aiming to curb appetite or get a morning energy boost."

"I'm on a mission to support my hair growth, and I found this supplement to be very helpful for hair health. I like that it's a Korean brand with strict safety standards, and the pills are small and easy to swallow. The bonus sticker for tracking usage was a thoughtful touch."

"I've been using this product daily with zero upset stomach or GI issues. It’s easy to tolerate, and I’m hopeful I’ll see the benefits as I continue. No side effects so far."

"As someone who doesn’t like the taste of green tea, I appreciate that I can get the same benefits in capsule form. The product is vegetarian, allergen-free, and fits my routine easily. I feel good knowing I’m doing something positive for my health."

"I specifically needed a dairy-free, vegan supplement option and this product met my requirements. The capsules are easy to swallow and the package arrived quickly. I’ll definitely order again."

"I felt my hunger disappear and energy soar—this supplement truly helps me power through even the toughest days. It's been a game-changer in my daily routine!"

"I like to take a pill about half an hour before my workouts, and the difference is clear: I’m energized and ready to go. After exercising, it helps me stay on track with my meals. I also pair it with this brand’s green tea option when I skip workouts."

"As someone who’s worked in EMS for 25 years, regular coffee stopped working for me, but this product delivers just the right energy boost without causing shakiness. Plus, it's priced right for what you get."

"I've found this supplement to be great quality for the price, and the capsules are a perfect size—easy to swallow. I would definitely recommend it to others!"

"I started taking this to help with my gallbladder pain, combining it with Tudca and Bile Acid Factors. While I'm not completely certain which product made the difference, my pain has disappeared, and I believe this supplement played a part."

"I was hoping for a fully natural supplement, so it was a bit of a letdown to see it contains some caffeine from green tea. It's only a small amount, but I personally prefer to avoid it. That said, the quality is solid."

"I've been taking these vitamins for over 20 years and won't switch to any other brand. Even though they're a little pricey, the quality is worth it. The cranberry really helps my kidney health and even eases my back pain."

"I only buy these vitamins because they have no unnecessary fillers and are actually affordable. I've trusted Andrew's products for years."

"I appreciate that Andrew is an eco-friendly manufacturer. These capsules are easy to take and I definitely notice an improvement in my urinary flow. I much prefer them over sugary cranberry juice."

"I love that this green tea extract gives me a steady, jitter-free boost that actually helps me get things done. No more brewing endless cups of tea—just one capsule and I feel focused and energized. It’s packed with antioxidants and EGCG, which makes me feel like I’m making a smart choice for my health. If you want the benefits of green tea without the hassle, this is totally worth it."

"I started taking this as a caffeine alternative in the mornings while training and working on losing weight. I’ve noticed a difference—it’s easy to swallow and seems like good quality. In just a couple of weeks, I’ve already lost five pounds with consistent training and minimal dieting. I do recommend taking it with something to eat to avoid any queasiness."

"These capsules help me wake up gently and avoid the anxiety or racing heart I sometimes get from coffee. I have a sensitive stomach so I make sure to have some food first, otherwise I might feel a bit dizzy. Alongside diet changes, I’ve noticed some weight loss, so I’m happy with the results so far."

"I received this green tea extract supplement for review and was honestly skeptical at first—I thought it might be low quality or ineffective. However, after using it for a while, I genuinely felt more energized, less hungry, and experienced fewer cravings. It didn’t give me any jitters or sleeplessness, and the energy boost was noticeable yet smooth. I now see it as a valuable part of my routine, especially for curbing snacks and supporting my workouts."

"What I love about this supplement is that it’s easy to swallow, clearly labeled, and third-party tested—those are must-haves for me when buying any health product. The bottle is user-friendly, and the cap comes off easily, making my daily routine simpler."

"After using this for over a month, I didn’t see the weight loss I was hoping for, nor did I feel a boost in energy. I wish the return window was longer, as it just didn’t work for me like I’d expected."