Sisu
Cold & Flu Rescue With Ester-C - 60 V-Caps
Cold & Flu Rescue With Ester-C - 60 V-Caps
Key Benefits
Key Benefits
- Contains Ester-C vitamin C for improved absorption and reduced acidity
- Includes bioflavonoids to complement vitamin C
- Supports overall immune system function
- Features ingredients traditionally used during cold and flu seasons
- Formulated to be gentle on sensitive stomachs
- Contains Ester-C vitamin C for improved absorption and reduced acidity
- Includes bioflavonoids to complement vitamin C
- Supports overall immune system function
- Features ingredients traditionally used during cold and flu seasons
- Formulated to be gentle on sensitive stomachs
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Cold & Flu Rescue with Ester-C by Sisu combines key ingredients in a vegetarian capsule to support your wellness routine during cold and flu seasons.

Ester-C is a unique form of vitamin C derived from calcium ascorbate, designed to be gentle on the stomach and support absorption. Andrographis is an herb known for its traditional use in supporting immune response. NAC contributes sulfur compounds and is associated with respiratory support. Echinacea extracts from different parts of the plant are included to complement the formula.
This product is presented in fast-dissolving vegetarian capsules and contains no dairy, wheat, or soy. It is produced under quality standards to ensure purity and potency.
- Vitamin C (from Ester-C brand calcium ascorbate) 300 mg
- Andrographis (Andrographis paniculata) leaf extract (standardized to contain 10% andrographolides) 200 mg
- N-acetyl-L-cysteine (NAC) 200 mg
- Purple coneflower extract (Echinacea purpurea) (aerial parts/root) 4:1 (equivalent to 240 mg of purple coneflower) 60 mg
- Narrow-leaf echinacea (Echinacea angustifolia) (root) 5:1 extract (equivalent to 225 mg of narrow-leaf echinacea, standardized to contain 4% echinacosides) 45 mg
Non-medicinal ingredients:
- Magnesium Stearate (vegetable)
Capsule shell:
- Hypromellose
Important information:
- Contains no dairy, wheat or soy.
Take 2 capsules 3 times daily or as directed by a health care practitioner.
Keep out of reach of children.
Format: Vegetarian Capsules
Main Ingredient: Ester-C calcium ascorbate
Package Size: 60 V-Caps
Brand: Sisu
Category:
SKU: sisu200
Barcode: 0777672011343
Product Details
Product Type: SupplementsFormat: Vegetarian Capsules
Main Ingredient: Ester-C calcium ascorbate
Package Size: 60 V-Caps
Brand: Sisu
Category:
SKU: sisu200
Barcode: 0777672011343
Daily Wellness
Easy to add to your everyday health routine.
Carefully Selected
Chosen with quality and customer needs in mind.
Simple to Use
Designed for convenient daily supplementation.
Ships to the U.S.
Fast, reliable shipping to U.S. customers.
- 5 stars: 27 (90%)
- 4 stars: 2 (7%)
- 3 stars: 1 (3%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
I think these are a nice preventative option for anyone wanting to stay healthy naturally.
Overall I’m satisfied, especially since I don’t like taking too many medications.
I haven’t noticed any weird side effects, just a simple way to feel supported.
Easy to fit into my daily vitamins, doesn't require any complicated dosing.
The vegetarian capsules are great for people like me who avoid gelatin.
I was skeptical at first, but after using these for a few months, I feel better prepared for flu season.
These feel like a gentle but effective way to give my immune system a little extra help.
Happy with the quality and the fact that the bottle contains enough for a full winter.
I don’t rely solely on these but it feels good to have some extra protection.
Really a must-have for me in the winter months when everyone around me is sneezing.
I like that it combines a few ingredients that I trust instead of just one type of vitamin.
The capsules dissolve well and don’t upset my stomach, which is important in cold season.
I take two of these a day at the first sign of symptoms, and it seems to ease things up a bit.
Would recommend to friends looking for something simple to add to their health routine.
Great for anyone who prefers plant-based supplements but still wants to support their immune system.
I haven’t had any side effects, which I can't say about some other cold remedies.
Price is reasonable, and since the capsules last a while, it’s pretty cost-effective.
These supplements feel like a reliable way to stay a step ahead instead of waiting to get sick.
I keep a bottle on hand every winter, just in case, and so far, they've been a good backup.
Mild taste and no weird aftertaste, which is a huge plus for me.
These are a nice option for someone looking to support their body when cold season hits.
I like the Ester-C in this formula; it feels less harsh than regular vitamin C supplements.
Capsules are a decent size — easy enough to take without gagging.
Took these as soon as I felt sick, and they seemed to help me get through it without too much downtime.
Good quality vitamins, feel like a convenient addition to my wellness routine during flu season.
Noticed I recover from my colds a bit faster when I’ve been taking these daily.
I appreciate that these are vegetarian capsules, makes it easier to stick with them regularly.
Easy to swallow and gentle on my stomach compared to other supplements I've tried.
I take these whenever I start feeling run down, and they seem to give my immune system a nice boost.
Really helped me feel a little better during a tough cold, especially since I prefer veggie capsules.