Vitamin C Crystals 454 Grams

Name: NOW Foods - Vitamin C Crystals 454 Grams
Brand: NOW Foods
SKU: NOW-0791
Price: 27.99 USD
Availability: InStock
Rating: 4.6 (197 reviews)

Powder

Skin Health · 84% of verified reviews
Immune Support · 79% of verified reviews
Collagen · 88% of verified reviews
Dosing · 51% of verified reviews

Quality & Trust Score

95 Strong Evidence

★★★★☆ 4.6 (197) 6 sources

See breakdown →

Manufacturing82

Lab Verification88

Review Consensus96.9

Brand-verified ·Third-party lab tested (heavy metals, contaminants)Good manufacturing practices verifiedQuality ingredients with verified sourcingClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified

Referenced by A Midwestern Doctor, Sayer Ji & Steve Kirsch + 20 more →

Ingredients & product label

The complete ingredient list and product label have not yet been published for this item. Please check the manufacturer’s label or contact us before ordering if you need to confirm an ingredient or allergen.

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About NOW Foods - Vitamin C Crystals 454 Grams

NOW Foods Vitamin C Crystals deliver pure ascorbic acid in a versatile powder form, supporting immune function, antioxidant activity, and collagen synthesis. The crystalline format allows flexible dosing and easy mixing into water or juice, making it a practical option for those who prefer capsule-free supplementation.

Why It's Worth Considering: With no fillers, binders, or additives, this is straight ascorbic acid, useful for those who want precise control over their daily vitamin C intake without unnecessary excipients.

Why Gabriel Recommends This

Quality & Trust Score: 95 Strong Evidence

Quality Verified

NOW Foods products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.

Label details

Ingredient amounts and serving sizes are shown in the product label section when supplier information is available.

High Practitioner Confidence

Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.

Manufacturing Standards

NOW Foods maintains GMP-certified manufacturing. Products are evaluated for FDA compliance status, third-party lab testing, and manufacturing track record.

Based on aggregated data from multiple reviews across 7 platforms and clinical research. How the Quality & Trust Score works →

Recommendation generated by Gabriel AI based on publicly available practitioner commentary and quality data. Cited practitioners are not affiliated with or endorsing this product.

How to Take

Follow the directions on the label. Product-specific guidance hasn't been published for this item yet.

Ask Gabriel about timing & dosing →

Real Reviews. Real Sources.

4.6

197 reviews

5 star

75%

4 star

15%

3 star

2 star

1 star

All (197)

10 Clinical Research

0 iHerb

136 Amazon

23 Practitioners

1 Reddit

1 X

0 TikTok

0 Instagram

6 Substack

197 ratings aggregated across 6 sources · full-text reviews below

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Apotheca's Analysis · 50+ Signals Across 6 Dimensions

Vitamin C is broadly praised for skin, collagen, and immune benefits, though dosing efficacy remains debated among users.

Skin Health

84%

Immune Support

79%

Collagen

88%

Dosing

51%

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Compatibility Guide

Works Well With

Iron

Vitamin C increases iron absorption

Collagen

Essential for collagen synthesis

Zinc

Both support immune function

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

Research Behind This

NOW Foods Product Quality Assessment

Quality & Trust Score Analysis

This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. NOW Foods products are analyzed against our comprehensive database of practitioner-grade supplements.

Practitioner Network Endorsement Data

Apotheca Practitioner Intelligence

NOW Foods is referenced across our practitioner network of clinical recommendations, YouTube health channels, and professional forums. Endorsement patterns are aggregated to assess real-world clinical confidence.

Practitioner Insights

Who This Is For

✓ Great For

Anyone looking for practitioner-grade supplement

Those who prioritize quality and transparency in supplements

People following a health protocol designed by their practitioner

Adults invested in long-term health optimization

⚠ Important Notes

Always consult your healthcare provider before starting any supplement

Check for interactions with current medications

If pregnant or nursing, seek professional guidance first

Compare options using Apotheca's AI to find the best fit for your goals

NOW Foods is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from NOW Foods is evaluated across 50+ quality signals including manufacturing standards, ingredient sourcing, third-party testing, and clinical evidence.

Gabriel VerifiedQuality Analyzed

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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