C Plus, 90 Capsules
C Plus from Klaire Labs/SFI Health delivers vitamin C as ascorbic acid alongside complementary bioflavonoids, supporting antioxidant activity, immune function, and connective tissue integrity.
May be a fit for
- Adults seeking vitamin C support for immune function maintenance
- Individuals supporting collagen synthesis with absorbable ascorbic acid
- Those maintaining antioxidant defenses during periods of physical stress
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C Plus from Klaire Labs/SFI Health delivers vitamin C as ascorbic acid alongside complementary bioflavonoids, supporting antioxidant activity, immune function, and connective tissue integrity. Formulated under practitioner-grade standards, it's well-suited for individuals seeking a foundational vitamin C product with added phytonutrient support.
Why It's Worth Considering: Klaire Labs pairs ascorbic acid with bioflavonoids, compounds that may help enhance vitamin C uptake and broaden its antioxidant activity compared to isolated ascorbic acid alone.
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Klaire Labs/SFI Health · 90 CapsulesMake it part of your routine.
Adults: 2 capsules, 1 or 2 times daily with food or as directed by a healthcare professional. Children: As directed by a healthcare professional.
Read the complete labelProduct details
Supplement facts & complete label
Serving Size: 2 Capsules
Amount Per Serving
Vitamin C … 1,730 mg
(as L-ascorbic acid and L-ascorbyl palmitate)
Citrus Bioflavonoid Complex … 224 mg
(Citrus aurantium) (peel and fruit) (standardized to 50% hesperidin bioflavonoids)
Other Ingredients: Vegetarian capsule (hydroxypropyl methylcellulose, water) and silicon dioxide.
Does not contain: Milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, yeast, artificial colors, flavors, or preservatives.
If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product. KEEP OUT OF REACH OF CHILDREN.
Label directions
Adults: 2 capsules, 1 or 2 times daily with food or as directed by a healthcare professional. Children: As directed by a healthcare professional.
Source: authorized supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
Who it may suit
May be a fit for
- Adults seeking vitamin C support for immune function maintenance
- Individuals supporting collagen synthesis with absorbable ascorbic acid
- Those maintaining antioxidant defenses during periods of physical stress
- Practitioner protocols requiring a well-tolerated vitamin C formulation
Considerations
- Known allergy to any ingredient (check label)
- Currently pregnant or breastfeeding (consult healthcare provider)
- Taking prescription medications (check for interactions)
- Under 18 years of age (unless recommended by pediatrician)
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More category questions
How should I store this supplement?
Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements — some probiotics and oils require refrigeration.
Can I take this with other supplements?
Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.
How long should I take this supplement?
Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.
When is the best time to take this?
Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.
How do I know if this supplement is working?
Track your specific health goals — energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.