What is the difference between AlgaeCal and AlgaeCal Plus?

AlgaeCal is our raw AlgaeCal powder with only Vitamin D3 added. It is suggested for those who cannot consume Vitamin K2. AlgaeCal Plus contains Vitamins K2 and C along with 14 bone-supporting nutrients for improved calcium absorption.

Why does AlgaeCal Plus use magnesium oxide?

AlgaeCal Plus contains naturally-occurring magnesium from the algae, plus additional magnesium oxide for an optimal 2:1 calcium to magnesium ratio. This is the same ratio that is found in your body and has been clinically supported in human studies.

Do I have to take both AlgaeCal and Strontium Boost?

If you are suffering from bone loss, it’s best to take AlgaeCal Plus and Strontium Boost. Together they are clinically supported to increase bone density — in as little as 6 months! They also boost your bone density faster than AlgaeCal Plus alone.

Does AlgaeCal Plus cause constipation, gas or bloating?

Most people who experience stomach troubles from rock-source calcium supplements have not experienced adverse side effects from AlgaeCal. Our plant-based calcium supplement contains a variety of balancing minerals which make it more easily digested.

I am petite, so do I need a full dose?

The recommended daily dose is based on what minerals our bones need, not weight. If you are petite, you are at a higher risk for bone density loss because you have less skeletal mass to begin with, so a full dose is recommended.

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Specifications

ASIN	B0B1N5Z372
ASIN	B0B1N5Z372
Age Range Description	Adult
Best Sellers Rank	#3,668 in Health & Household ( See Top 100 in Health & Household ) #16 in Calcium Mineral Supplements
Brand Name	ALGAECAL
Color	Veggie Caps
Container Type	Bottle
Customer Reviews	4.6 4.6 out of 5 stars (1,652)
Date First Available	June 1, 2022
Diet Type	Plant Based
Dosage Form	Capsule
Dose Release Method	Immediate Release
Flavor	Unflavored
Item Dimensions	2.5 x 2.5 x 4.5 inches
Item Form	Capsule
Item Nype Name	Calcium Supplement
Item Shape	veggie capsules
Item model number	AP1
Manufacturer	ALGAECAL
Manufacturer	ALGAECAL
Manufacturer Part Number	AP1
Material Features	GMO Free, No Artificial Colors, No Artificial Flavors, No Artificial Preservatives, No Artificial Sweeteners
Material Type Free	Alcohol Free, Caffeine Free
Model Name	AlgaeCal Plus Plant-based Calcium Supplement for Women & Men
Model Number	AP1
Number of Items	1
Primary Supplement Type	Calcium, Vitamin D3, Vitamin K2
Product Benefits	Bone & Joint Support, Bone Health, Bone Strength, Bone Density, General Health & Wellness, Healthy Aging
Product Dimensions	2.5 x 2.5 x 4.5 inches; 5.29 ounces
Special Ingredients	Plant Based Red Algae Calcium Supplement, Vitamin D3, Vitamin K2 MK7
Specific Uses For Product	Bone Strength Support, Improves Bone Health, Osteoporosis Management, Prevents Bone Loss, Support for Active Lifestyles
Supplement Formulation	Multi-Supplement
Total Servings Per Container	60
UPC	850036778004
Unit Count	120 Count
Warranty Description	You’re not “stuck” with AlgaeCal if you don’t like it. That’s because you get 1 full year to try any of our products. If for whatever reason you’re not satisfied, we’ll refund all unopened and even partially used bottles. This guarantee is that of the AlgaeCal brand, if for any reason you wish to invoke them, you must contact AlgaeCal Customer Service directly.

Reviews

D**O

Good and clean supplement

I really like this supplement because it’s plant-based, gentle on my stomach, and easy to swallow. I love that it combines calcium, magnesium, vitamin D3 and K2 in one formula instead of taking multiple pills. The quality feels premium and I appreciate that it’s non-GMO, dairy-free and made in the USA. Great option if you want a clean, complete bone support supplement.

7.02.2026

C**Y

Excellent Supplement for Bone Health

Excellent source for bone health support. I feel stronger day by day and I attribute it to this fine product. Also, the company itself provides knowledgeable support for any questions related to good health.

22.01.2026

H**Y

⭐️⭐️⭐️⭐️⭐️ Chosen to support bone health

My 76-year-old mom has been taking AlgaeCal Organic Red Algae Calcium for about six months as part of her routine to support bone health. She has severe bone loss related to RA, and we were looking for a plant-based calcium option she felt comfortable using long term. The supplement has been easy for her to take, and she’s been consistent with it, which says a lot. We’re hopeful and pleased with this product as part of her overall bone-support regimen.

16.01.2026

T**Y

great product

This is a amazing product . I feel so much better since I been Taking it!

24.02.2026

B**N

Doesn't upset the stomach.

It's expensive considering one bottle is only a one-month supply. However, since I'm already taking calcium, I'm halfing the dose. I can't confirm if it builds bone. I like it because it doesn't upset my stomach and it got good reviews. So, I thought I'd try it. I like the fact that it's natural from the sea. We'll see how it goes.

13.01.2026

Z**A

Pricey but effective

I could not tolerate straight calcium but these provide my needed supplements without the side effects.

4.03.2026

Y**G

Health.

Good.

17.02.2026

C**N

Treats osteoporosis

Reversed my osteoporosis ! My Dr was shocked!

4.03.2026

ALGAECAL Organic Red Algae Calcium Supplement for Bone Density, Vitamin K2 MK7 (100mg), Vitamin D3 (1600 IU), Magnesium (350mg) & Trace Minerals & Strength, Easy to Swallow, 120 Veggie Caps

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