Ecological Formulas/Cardiovascular Research

Calcium Citrate

Mixed sentiment; calcium benefits for bones acknowledged but arterial calcification concerns and reliance on K2 pairing temper enthusiasm.

  • Adults seeking calcium citrate for enhanced mineral absorption support
  • Individuals with low stomach acid who may benefit from citrate-bound calcium
  • Those maintaining bone density with a well-absorbed calcium citrate form
  • Bone Health — 72% of verified reviews
Gabriel Score
93 Strong Evidence
★★★★☆ 4.7 (5.4K) 4 sources
See breakdown →
Brand-verified ·Third-party lab tested (heavy metals, contaminants)Good manufacturing practices verifiedPremium ingredient sourcing with bioavailable formsClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified
Referenced by  Dr. Sherri Tenpenny, Dr. Joseph Mercola & Chris Masterjohn, PhD + 7 more →
$11.99
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About Ecological Formulas/Cardiovascular Research - Calcium Citrate

Calcium Citrate from Ecological Formulas/Cardiovascular Research delivers elemental calcium in citrate form, a chelated compound known for its solubility and absorption without requiring stomach acid for uptake. It supports bone density maintenance, muscle function, and nerve signaling, making it a practical option for adults with low stomach acid or those who prefer a food-independent calcium source.

Why It's Worth Considering: Calcium citrate is generally better absorbed than calcium carbonate, particularly in older adults or those taking acid-reducing medications, making this form a considered choice for targeted mineral repletion.

Why Gabriel Recommends This

Gabriel Score: 93 Strong Evidence
Quality Verified
Ecological Formulas/Cardiovascular Research products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Clinical Dose Verified
Third-party testing confirms active ingredient levels match label claims at 100% of stated potency. Exceeds industry average of 78%.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
Ecological Formulas/Cardiovascular Research 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 Gabriel 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

Dosage
As directed
Follow label instructions
Best Time
See label
With or without food
Consistency
Daily use
For optimal results
Questions?
Ask Gabriel
AI-powered guidance

Who Benefits

Best For

  • Adults seeking calcium citrate for enhanced mineral absorption support
  • Individuals with low stomach acid who may benefit from citrate-bound calcium
  • Those maintaining bone density with a well-absorbed calcium citrate form
  • Older adults supporting skeletal integrity with citrate-form calcium supplementation

Cautions

  • 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)

Frequently Asked Questions

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

Real Reviews. Real Sources.

4.7
5435 reviews
5 star
75%
4 star
15%
3 star
5%
2 star
3%
1 star
2%
All (5435)
10 Clinical Research
iHerb
0 iHerb
Amazon
5394 Amazon
10 Practitioners
Reddit
0 Reddit
X
0 X
TikTok
1 TikTok
Instagram
0 Instagram
Substack
0 Substack
Sort by:
Apotheca's Analysis — 50+ Signals Across 6 Dimensions
Mixed sentiment; calcium benefits for bones acknowledged but arterial calcification concerns and reliance on K2 pairing temper enthusiasm.
Bone Health
72%
Heart Safety
44%
Absorption
61%
Supplement Stack
58%
Loading reviews...

Compatibility Guide

Works Well With

Vitamin D3
D enhances calcium absorption
Vitamin K2
K2 directs calcium to bones

Take Separately From

Iron
Inhibits iron absorption. Space by 2 hours
Magnesium
High-dose calcium reduces Mg absorption

Research Behind This

Ecological Formulas/Cardiovascular Research Product Quality Assessment
Gabriel Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. Ecological Formulas/Cardiovascular Research products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Ecological Formulas/Cardiovascular Research 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
Ecological Formulas/Cardiovascular Research is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Ecological Formulas/Cardiovascular Research 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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Ecological Formulas/Cardiovascular Research
Ecological Formulas/Cardiovascular Research - Calcium Citrate
93
Strong Evidence
Gabriel Score
Top-tier quality across all scoring pillars. Recommended with high confidence.
Last updated: June 04, 2026
Score Breakdown
Manufacturing & GMP
87
Lab Verification
83
Review Consensus
100
Practitioner Confidence
50.0
Community & Social
60
Transparency
70
Consumer & Practitioner Intelligence
★★★★☆ 4.7 from 5435 reviews across 4 sources
Clinical Research 30Practitioner Data 10Amazon 5394Community 1+
Aggregated from verified purchases, practitioner clinical notes, and real-world outcome data
Scored across 50+ quality dimensions from 15+ independent databases. No brand can pay to influence their score. No sponsored rankings. Ever.
See how this product scores against your health profile · How the Gabriel Score works