i-Supplement

Disclosure: We are an independent comparison platform. We may earn an affiliate commission when you purchase through links on our site at no extra cost to you. As an Amazon Associate, we earn from qualifying purchases. Read the full disclosure.

← Catalog
NOW Foods Calcium Citrate 250 Tablets

Illustrative image — retailer photo will replace it

NOW Foods · USA

Supplements › Minerals › Calcium › Citrate › Calcium Citrate 250 Tablets

Calcium Citrate 250 Tablets

Tablets · 2 tablets · Citrate · 300 mg elemental per serving

Informed ChoiceMonthly blind retail sampling and banned-substance screening at an ISO 17025 laboratory.Non-GMOIngredients traced and tested to be free of genetically modified inputs above the 0.9% threshold.

NO ACTIVE OFFER

Essential Co-factors & Synergistic Pairings

MK-7 90 mcg
Obligate Co-factor

Vitamin D3 + K2

D3 supports calcium absorption, while K2 activates proteins that help place calcium in bone.

View MK-7 90 mcg
Magnesium Citrate
Obligate Co-factor

Magnesium

Magnesium supports calcium regulation, bone mineral balance, and vitamin D activation.

Nutrient pairings are based on clinical absorption data. Statements regarding dietary supplements have not been evaluated by the FDA or EFSA and are not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before starting any supplementation protocol.

What it is

Economy calcium citrate

Who it suits

Bone density, Absorption without food

Best price today

No offers ship to your region

Verified clinical advantages

  • Pure citrate, no carbonate blending
  • Informed Choice facility
  • Low cost per 100 mg elemental

Trade-offs & compromises

  • No added D3 or K2

Multi-store price comparison

MerchantBase priceShippingDeliveryStock

Disclosure: We are an independent comparison platform. We may earn an affiliate commission when you purchase through links on our site at no extra cost to you. As an Amazon Associate, we earn from qualifying purchases. Buttons take you to the named retailer's own site to complete your purchase.

Biochemical facts panel

Gross compound

1423 mg

Elemental active

300 mg

% Daily value

38%

Bioavailability

Moderate

Calcium bound to citric acid, absorbed independently of gastric acid so suitable with PPI use; supplies 21% elemental calcium.

Target benefits

  • Bone density
  • Absorption without food

GI tolerance & side effects

  • Constipation (less than carbonate)

Renal & other contraindications

  • Hypercalcemia
  • Separate from thyroid medication by 4 h

Upper tolerable intake: 2500 mg/day elemental (IOM)

Full excipient & inactive additive disclosure

Microcrystalline celluloseStearic acidSilica

Similar alternatives

Same category, different carrier economics.