After gastric sleeve surgery, maintaining proper calcium levels becomes essential for long-term bone health and overall wellbeing.
Reduced stomach size and changes in digestion can limit calcium absorption, increasing the risk of deficiencies if supplementation is not carefully managed.
Choosing the right calcium supplement helps support strong bones, muscle function, and nerve health while preventing common post-surgery complications such as bone loss and fatigue.
With many options available, it can be confusing to identify which supplements are safe, effective, and easy to absorb. This guide highlights the top 10 calcium supplements designed to meet the unique nutritional needs of gastric sleeve patients.
10. Fusion Bariatric Calcium Chews
Fusion Bariatric Calcium Chews are soft, chewable calcium citrate supplements designed especially for people who’ve had bariatric surgery.
Each tasty chew delivers 500 mg of calcium citrate along with vitamin D, vitamin K, magnesium, and B-vitamins to help support strong bones, healthy metabolism, and energy levels after weight-loss procedures like gastric bypass or sleeve gastrectomy.*
These individually wrapped, sugar-free chews are easy to take and gentle on the stomach, making them an excellent choice for daily bone health support when nutrient absorption may be a challenge.*
With a delicious caramel flavor and convenient 60-count pack, it’s simple to help close post-surgery nutrient gaps and support overall wellness.*
Pros
- 500 mg calcium citrate per chew for bone support*
- Includes vitamin D, K, magnesium & B-vitamins*
- Soft, tasty caramel flavor
- Individually wrapped for convenience
- Sugar-free and easy to chew
Cons
- Flavor may not suit everyone
- Higher cost than basic calcium tablets
- Only one chew a day may not meet all needs*
9. Bariatric Advantage Calcium Citrate 600 mg, 180 Tabs

Bariatric Advantage’s Non‑Chewable Calcium Citrate delivers 600 mg of calcium per serving, paired with vitamin D3 to enhance absorption—an essential combination for anyone who’s had bariatric surgery.
The formula is specifically engineered for the altered digestive system post‑procedure, helping maintain bone density and overall strength when nutrient uptake can be challenging.
Each tablet features a smooth, easy‑swallow coating, making daily dosing comfortable even for those with a reduced stomach capacity.
The recommended regimen of three tablets twice daily fits conveniently into a routine, and the product is manufactured under strict quality standards that align with scientific research on post‑bariatric nutrition.
By choosing this supplement, you’re supporting lifelong health while addressing the unique mineral needs that arise after weight‑loss surgery.
Pros
- Bariatric‑friendly formula supports post‑surgery calcium needs
- 600 mg calcium citrate per serving boosts bone health
- Vitamin D3 enhances calcium absorption efficiently
- Easy‑swallow coating reduces discomfort while dosing
- Clinically backed dosage promotes lifelong skeletal strength
Cons
- Requires multiple tablets daily for full dose
- Not suitable for those with calcium hypersensitivity
- May interact with certain prescription medications
8. Bariatric Fusion Bariatric Calcium Chews

Bariatric Fusion’s Calcium Citrate Chews deliver a potent 500 mg dose of calcium paired with Vitamin D3, Vitamin K, magnesium, and a B‑vitamin complex—all in a sugar‑free, gluten‑free strawberry chew.
The soft‑chew format is ideal for anyone who struggles with traditional tablets, offering a pleasant candy‑like experience while supporting bone health, energy metabolism, and digestive comfort.
Formulated by bariatric practitioners with over 15 years of expertise, these chews are designed for maximum absorption and are certified kosher.
Made in the USA from globally sourced ingredients in GMP‑certified facilities, they provide a trustworthy, affordable daily regimen for both men and women with sensitive stomachs.
Pros
- High‑potency 500 mg calcium citrate dose
- Includes Vitamin D3, K, magnesium, B‑complex
- Sugar‑free, gluten‑free, kosher certified formula
- Practitioner‑designed for optimal bariatric absorption
- Pleasant strawberry flavor encourages daily compliance
Cons
- Chewy texture may not suit everyone
- Requires consistent daily intake for best results
- Not a substitute for prescription calcium therapy
7. Bariatric Advantage Calcium Citrate Chewy Bites

Bariatric Advantage Calcium Citrate Chewy Bites are specially formulated for patients who have undergone bariatric surgery. Each bite delivers 250 mg of calcium citrate and 125 IU of vitamin D3, a combination that maximizes calcium absorption when the digestive tract is altered.
The chewable format is both digestible and convenient, allowing you to take them with or without food, and the sugar‑free, caramel‑flavored bites are individually wrapped for easy, on‑the‑go dosing.
Because they’re designed for bariatric patients, the formula respects the reduced stomach capacity while still supplying the essential minerals needed for bone health and long‑term wellness.
At Bariatric Advantage, the commitment to scientific rigor ensures that every chew supports life‑long health after surgery, making it a reliable addition to your daily supplement routine.
Pros
- Tailored for bariatric surgery patients
- High‑potency calcium citrate and vitamin D3
- Sugar‑free, caramel‑flavored chewable bites
- Can be taken with or without food
- Individually wrapped for travel convenience
Cons
- May be pricier than generic calcium tablets
- Limited flavor options available
- Requires consistent daily intake for best results
6. Bariatric Advantage Calcium Citrate Chewable 500mg

Bariatric Advantage Calcium Citrate Chewable 500 mg with Vitamin D3 is crafted specifically for patients recovering from gastric bypass or sleeve gastrectomy.
Each low‑sugar, cinnamon‑flavored tablet delivers 500 mg of calcium citrate—easier on the stomach and better absorbed than calcium carbonate after bariatric surgery.
The formula is boosted with 500 IU of Vitamin D3 to enhance calcium uptake, plus vitamin K and magnesium glycinate to support bone strength, cardiovascular health, and nervous‑system function.
The chewable design makes daily dosing pleasant and convenient, helping you stay consistent with the nutrients essential for lifelong health after your procedure.
Pros
- High‑potency 500 mg calcium citrate per chew
- Vitamin D3 improves calcium absorption efficiently
- Added vitamin K and magnesium boost overall wellness
- Low‑sugar cinnamon flavor makes it enjoyable
- Gentle on stomach, ideal post‑surgery
Cons
- Chewable tablets may not suit all preferences
- Requires consistent daily intake for best results
- Not a complete multivitamin, supplemental needs may remain
5. NATURELO Bariatric One Daily Multivitamin

NATURELO Bariatric Multivitamin delivers comprehensive, whole‑food nutrition designed specifically for patients recovering from gastric bypass, sleeve gastrectomy, Roux‑en‑Y, BPD/DS, or any laparoscopic weight‑loss surgery.
Each veggie capsule packs a high‑potency blend of iron, vitamins A, C, D3, E, a full spectrum of B‑complex (including bioactive methyl‑folate and methylcobalamin B12), plus copper, selenium, chromium, molybdenum and more—so you get all the essential micronutrients in a single daily dose.
The formula leans on plant‑based sources: vitamin E from sunflower, iodine from kelp, and magnesium from marine algae, all blended with organic fruits and vegetables to provide natural fiber and whole‑food synergy.
NATURELO’s commitment to purity means the product is non‑GMO, gluten‑free, soy‑free, vegetarian, and preservative‑free, manufactured in a GMP‑certified facility for premium quality you can trust.
Pros
- One capsule meets bariatric nutrient needs
- Bioactive B‑vitamins for superior absorption
- Plant‑based whole‑food blend with natural fiber
- Iron dose supports post‑surgery blood health
- Free from GMOs, gluten, soy, and preservatives
Cons
- May be pricey for some budgets
- Requires water; not chewable tablet
- Not suitable for non‑vegetarians seeking animal‑based nutrients
4. Fusion Bariatric Calcium Chews | 500mg | 60 Count

Bariatric Fusion’s Calcium Fusion Chews deliver a potent 500 mg of calcium citrate per serving, paired with Vitamin D3, Vitamin K, and magnesium to support optimal bone health.
The fruit‑punch soft chews are sugar‑free, gluten‑free, and certified kosher, making them gentle on sensitive stomachs while still providing an energizing boost of B‑vitamins (thiamine, riboflavin, niacin).
Formulated by bariatric practitioners with over 15 years of experience, these chewables are designed for maximum absorption in post‑surgical patients and anyone seeking a convenient, non‑tablet calcium source.
Made in the USA from globally‑sourced ingredients in GMP‑certified facilities, they offer a tasty, hassle‑free daily regimen that fits easily into any routine.
Pros
- 500 mg calcium citrate per chewable dose
- Vitamin D3 enhances calcium absorption efficiency
- Sugar‑free, gluten‑free, kosher certified formula
- Fruit‑punch flavor makes daily compliance easy
- Practitioner‑designed for bariatric patient needs
Cons
- Chews may be too soft for some users
- Only 60 chews per bottle, may need refill sooner
3. Nature’s Bounty Bariatric Support Caps

Experience a smoother recovery after gastric bypass or sleeve surgery with our Bariatric Multivitamin with Iron.
Each capsule is packed with a full spectrum of essential vitamins and minerals—from A, C, D, and E to zinc and selenium—delivered in a gentle, liquid‑filled iron core that’s easy on the stomach.
The vegan formula also includes biotin, pantothenic acid, and inositol to keep hair, skin, and nails looking their best while you heal.
Boost your immune defenses with antioxidants sourced from 42 super‑fruit and vegetable blends, and enjoy the convenience of just two capsules a day for a complete 60‑day supply.
Whether you’re a man or a woman, this gluten‑free, easy‑to‑swallow multivitamin supports energy, vitality, and overall well‑being during the critical post‑surgery phase.
Pros
- Iron‑rich formula sustains daily energy levels
- Comprehensive A‑to‑Zinc nutrient profile
- Supports hair, skin, and nail health
- Antioxidant blend from 42 superfoods
- Easy‑to‑swallow capsules, gentle stomach
Cons
- Requires two capsules daily
- Not suitable for iron‑sensitive individuals
- May need additional calcium supplementation
2. Dietary Specialties Bariatric Calcium 120 Tablets

A clinically‑crafted blend of calcium citrate and vitamin D3, this supplement delivers 600 mg of calcium and 400 IU of vitamin D3 per serving—exactly what bariatric patients need to protect bone density, support muscle function, and keep the immune system strong after gastric bypass or sleeve surgery.
The fast‑absorbing tablets dissolve quickly, and taking 2 tablets twice daily meets the post‑operative recommendation of 1,200 mg calcium per day. Each bottle contains 120 tablets, providing a convenient one‑month supply that fits neatly into any bariatric nutrition plan.
Formulated to ASMBS guidelines and rigorously lab‑tested, it offers peace of mind that you’re following a surgeon‑approved protocol for optimal recovery and long‑term health.
Pros
- 600 mg calcium per serving, highly bioavailable
- 400 IU vitamin D3 enhances calcium absorption
- Fast‑dissolving tablets for rapid uptake
- 120‑tablet bottle equals one‑month supply
- Formulated to meet ASMBS bariatric standards
Cons
- Requires twice‑daily dosing schedule
- Not suitable for calcium‑sensitive individuals
- Small amount of filler may concern some users
1. Barimelts Calcium Citrate Tablets

Barimelts Calcium Citrate with Vitamin D3 & Magnesium delivers a bariatric‑friendly calcium boost in a smooth‑dissolving, natural berry‑flavored tablet.
Each tablet packs 500 mg of calcium citrate, paired with magnesium and vitamin D3 to maximize absorption and support healthy bone turnover—essential for women recovering from bariatric surgery.
The melt‑in‑your‑mouth format is gentle on the stomach and designed for rapid nutrient release, so you simply take two tablets twice daily.
Formulated without gluten, dairy, or GMOs, the tablets use only natural sweeteners and flavors, making them a clean, tasty option for daily use.
Produced in an NSF‑certified GMP facility, Barimelts adheres to ASMBS guidelines and undergoes third‑party testing for potency and purity, giving you confidence that each dose meets strict quality standards.
Pros
- Smooth‑dissolving tablets are easy on stomach
- Natural berry flavor makes daily dosing enjoyable
- Gluten‑free, dairy‑free, and non‑GMO formulation
- Combines calcium, magnesium, and vitamin D3 for optimal absorption
- Meets ASMBS guidelines and third‑party tested for purity
Cons
- Requires taking two tablets twice daily
- Only available in berry flavor, no alternatives
- Not suitable for those needing higher calcium doses
Frequently Asked Questions
What type of calcium supplement is recommended after gastric sleeve surgery?
Calcium citrate is the preferred form because it does not require an acidic environment for absorption, which can be limited after a sleeve gastrectomy. Aim for 1,200–1,500 mg of elemental calcium per day, divided into 2–3 doses.
How should I take calcium to maximize absorption?
- Take with meals (or immediately after) to aid absorption.
- Space doses at least 2 hours apart from iron or high‑dose multivitamins, as they compete for the same absorption pathways.
- Avoid antacids or calcium‑containing antacids within 2 hours of your supplement, as they can interfere with uptake.
Are there additional nutrients I need to pair with calcium?
Yes. After gastric sleeve surgery, you’ll typically need:
– Vitamin D (800–1,000 IU daily) – essential for calcium absorption.
– Magnesium (300–400 mg daily) – supports bone health and helps prevent constipation.
– Vitamin K2 – may aid calcium deposition in bone rather than arteries.
Consult your bariatric dietitian or surgeon to tailor the exact dosages to your individual needs.
Conclusion
Navigating calcium supplementation after gastric sleeve surgery can feel daunting, but understanding the body’s altered absorption, prioritizing calcium citrate, and pairing it with vitamin D are the cornerstones of effective bone health support.
Choosing a supplement that offers adequate dosage, gentle tolerability, and minimal additives helps maintain optimal calcium levels while respecting the new digestive landscape.
Regular monitoring with your healthcare team, staying consistent with dosing, and integrating a balanced diet rich in calcium‑dense foods will reinforce the benefits of supplementation.
By focusing on these principles, you can safeguard bone strength, promote overall wellness, and confidently move forward on your post‑surgery journey.

