Best Fish-Free Calcium Supplements of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 2 Feb 2025

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For individuals who are looking for an alternative to fish-based calcium supplements, there are now a variety of plant-based options available. These calcium supplements are typically made from algae, seaweed, or other plant sources, and provide a sustainable and ethical alternative to traditional fish-based supplements. Not only are these products suitable for vegans and vegetarians, but they are also free from the potential contaminants and pollutants that can be present in fish-based supplements. These supplements offer a convenient and effective way to maintain strong bones and teeth, and are available in a range of forms and flavours to suit individual preferences.

At a Glance: Our Top Picks

YrHealth Calcium, Magnesium and Zinc Tablets Cover #TOP 1
YrHealth Calcium, Magnesium and Zinc Tablets
ftb score rating icon 9.9
Together Health Seaweed Calcium with Trace Minerals Cover #TOP 2
Together Health Seaweed Calcium with Trace Minerals
ftb score rating icon 9.8
Natures Aid Chewable Calcium with Vitamin D3 Cover #TOP 3
Natures Aid Chewable Calcium with Vitamin D3
ftb score rating icon 9.6

Top 10 Fish-Free Calcium Supplements

YrHealth Calcium, Magnesium and Zinc Tablets

YH-CMZDK-180
YrHealth Calcium, Magnesium and Zinc Tablets Cover
Calcium, Magnesium, Zinc and Vitamin D Plus Vitamin K2 MK-7 Tablets - Osteo Supplement - 180 Vegan Tablets not Capsules - Made in The UK by YrHealth

The YrHealth Bone Health Tablets offer a comprehensive formula for maintaining your bone health and overall immunity. Each serving provides essential nutrients like Vitamin D3, Calcium, Magnesium, and Zinc, ensuring you receive adequate support for normal bones and teeth. Additionally, the inclusion of Vitamin K2 MK-7 helps maintain bone health and blood coagulation. These vegan-friendly tablets are made with high-quality ingredients, so you can trust what you are putting into your body.

What We Like
Complete and balanced formula
Supports bone and immune health
Vegan Society registered
High-quality vegan ingredients
Eco-friendly tree planting initiative
#TOP 2

Together Health Seaweed Calcium with Trace Minerals

TOGOCEPEK
1 count (Pack of 1)
Together Health Seaweed Calcium with Trace Minerals Cover
Calcium – Together Health – Seaweed-Based Calcium – 72 Trace Minerals – Vegan Friendly – Made in The UK – 60 Vegecaps

Together Seaweed Calcium offers a natural source of calcium derived from 100% sustainably harvested seaweed. This unique formula includes 72 trace minerals, ensuring that your body can easily absorb these essential nutrients. The seaweed is thoroughly purified and tested for contaminants, providing you with a clean and safe supplement. Additionally, it is free from artificial additives, so you can trust that you're nourishing your body with pure ingredients that are gentle yet effective.

What We Like
100% seaweed-based calcium
Contains 72 trace minerals
Free from ocean contaminants
Certified vegan and pure

Natures Aid Chewable Calcium with Vitamin D3

073718
Natures Aid Chewable Calcium with Vitamin D3 Cover
Natures Aid Chewable Calcium, 400 mg with Vitamin D3, 60 Tablets (for the Maintenance of Normal Bones and Teeth, Vegan Society Approved, Made in the UK)

Natures Aid Chewable Calcium is designed to support the maintenance of normal bones and teeth, making it an essential addition to your daily routine. With a natural lemon flavour, these chewable tablets are both enjoyable and easy to take. Manufactured in the UK to GMP standards, you can trust the quality and safety of this supplement. Importantly, it contains no artificial flavours, colours, preservatives, lactose, yeast, or gluten, making it suitable for vegetarians and those with dietary restrictions.

What We Like
Supports normal bones and teeth
Tasty natural lemon flavour
Manufactured to high UK standards
No artificial additives
Vegan Society approved

High Absorption Algae Calcium and Magnesium Supplement

High Absorption Algae Calcium and Magnesium Supplement Cover
High Absorption Algae Calcium & Magnesium Supplement, Plus Vitamin D, K2 & Boron, Clean Label & Plant Based, Non-GMO Algae Mineral Complex for Bone & Teeth Support, Vegan, 60 Tablets, by Igennus

The Igennus Calcium and Magnesium supplement features a carefully formulated 2:1 calcium-to-magnesium ratio that supports your long-term musculoskeletal health. With split dosing, you can enhance absorption, ensuring your body gets the nutrients it needs. Additionally, the inclusion of vitamin K2, vitamin D3, and boron optimises the delivery of calcium to your bones. Sourced from Icelandic red algae and mineral-rich Irish seawater, this supplement offers a bioavailable whole food source without the health concerns associated with traditional calcium carbonate.

What We Like
High absorption formula
Plant-based ingredients
No synthetic additives
Supports bone health
Vegan and hypoallergenic

NGU Calcium Magnesium Zinc Supplement for Immune Support

NGU-CaMgZn-240T
NGU Calcium Magnesium Zinc Supplement for Immune Support Cover
NGU Calcium Magnesium Zinc Essential Mineral Supplement 240 Vegan Caplets for Immune Support and Bone Strength for Adults Women and Men

NGU Essential Mineral Supplement offers a powerful blend of calcium, magnesium, and zinc, providing you with a robust formula that supports healthy bones and teeth. With an impressive bioavailability of over 90%, your body can easily absorb these essential minerals, ensuring you feel the benefits quickly. This vegan-friendly supplement is free from artificial ingredients and allergens, making it a safe choice for everyone. Additionally, it provides a four-month supply, offering great value for your investment in health.

What We Like
High strength mineral formula
Easily absorbed by the body
Vegan and allergen-free
Valuable four-month supply
#TOP 6

Pure Nutrition Ultra Calcium Citrate Malate Supplement

8908007205584-FBA
White
Pure Nutrition Ultra Calcium Citrate Malate Supplement Cover
Pure Nutrition Ultra Calcium Citrate Malate | 1000mg Highly absorbable Calcium Supplement with Calcium Citrate Malate, Vitamin D3, Zinc and Magnesium | Non-GMO | Gluten-Free | 90 Veg Tabs

The Pure Nutrition Calcium Supplement offers a potent dose of 1000mg of Calcium Citrate Malate, a highly absorbable form of calcium. This ensures that you maintain optimal calcium levels, which is crucial for bone health and overall wellness. Each tablet also contains Moringa, Magnesium, and Vitamin D3, enhancing mineralisation and supporting collagen synthesis. Taken once daily after a meal, this 100% vegetarian supplement is crafted from natural, non-GMO ingredients, making it a convenient choice for health-conscious individuals.

What We Like
Highly absorbable calcium source
Supports bone health
Vegetarian and non-GMO
Contains additional minerals
Easy daily dosage
#TOP 7

Calcium Tablets High Strength - 360 Tablets

Calcium Tablets High Strength - 360 Tablets Cover
Calcium Tablets High Strength - 360 Tablets for 6 Months - 2028mg Calcium Carbonate per Daily Dose -Organic and Vegan Food Supplement Without Additives (Pack of 2)

Features
VEGAN: Our Calcium Is Made Exclusively From Non-Animal Ingredients And Is Therefore Ideal For VEGANS And VEGETARIANS. Our Product Is Completely Free From Genetically Modified Ingredients And Any Unnecessary Additives.
HIGH DOSE IN DOUBLE PACK: 400 Mg Of The Mineral Per Vegan Tablet. With One Daily Dose (2 Tablets) You Consume 100% Of The Recommended Daily Requirement Of 800 Mg Of Calcium. Calcium Is Needed For The Maintenance Of Normal Bones And Normal Teeth.
SATISFACTION GUARANTEE: Satisfied Customers Are Important To Us, Please Contact Us If You Have Any Questions About Our Products. We Are Here For You. Buy Today WITHOUT RISK At The Best Price-Performance Ratio On The Market, We Offer You 30 Days Free Return Policy.
GERMAN QUALITY PRODUCT: We Only Produce In Germany. Our Production Is Based On The HACCP Concept. We Work Closely With Scientists And Experts In The Development And Manufacture Of Our Products.
BEST AVAILABILITY: Without The Controversial Additive Magnesium Stearate (magnesium Salts Of Fatty Acids) For OPTIMAL ACTION. Many Other Manufacturers Use Magnesium Stearate As A Release Agent In The Production Process.

Marine Calcium Powder with Trace Minerals

B089QNPJFW
100 g (Pack of 1)
Marine Calcium Powder with Trace Minerals Cover
Marine Calcium and Trace Minerals 100g Powder – Neutral Taste – AquaMin® – Red Alga Lithothamnium calcareum – GMP – UK Made - Zero Additives (100g Pouch)

The Marine Calcium Powder is a high-quality supplement that provides calcium and trace minerals from a natural marine source, Lithothamnium calcareum. This form of calcium is more bioavailable, ensuring your body can absorb it effectively. It plays a vital role in maintaining healthy bones and teeth, blood clotting, and muscle function. Moreover, this product is 100% vegan and contains no unnecessary additives, allowing you to enjoy clean nutrition without fillers or binders. Manufactured in the UK to GMP standards, you can trust its quality and efficacy.

What We Like
Natural marine source calcium
Vegan and additive-free
High bioavailability
Supports various bodily functions
Manufactured to GMP standards
#TOP 9

Marine Calcium and Trace Minerals

B0854Q5SP5
Marine Calcium and Trace Minerals Cover
Marine Calcium and Trace Minerals – 120 Capsules – Made from Red Alga Lithothamnium calcareum – GMP Standards – UK Made Supplement - Zero Additives (100g Pouch)

Features
CONTRIBUTES TO A NUMBER OF BODILY FUNCTIONS. Calcium Is A Crucial Nutrient For Our Bodies As It Contributes To Our Health In A Number Of Ways Including Maintenance Of Normal Bones And Teeth, Normal Blood Clotting, Muscle Function, Neurotransmission And Cell Division To Name A Few.
CALCIUM AND TRACE MINERALS DERIVED FROM NATURAL MARINE SOURCE. Most Calcium Supplements On The Market Today Are Made Of Inorganic Compounds Such As Limestone Or Oyster Shell That Are Not Bioavailable To The Body, Time Health's Calcium Is Derived From Lithothamnium Calcareum And Contains Ionic Trace Minerals, Making It A Far More Bioavailable Form Of Calcium.
UK MADE TO GMP STANDARDS. Our Marine Calcium Is Manufactured In The UK To GMP Quality Assurance With Only The Finest Quality Raw Materials.
89,000 TREES PLANTED AND COUNTING. We Are Proud Supporters Of Ecologi's Reforestation Projects And Plant A Tree With Every Single Order!
100% VEGAN WITH NO UNNECESSARY ADDITIVES. We Believe In Clean Nutrition Which Is Why You Won't Find Any Nasty Stuff In Our Products Such As Fillers, Binders And Flow Agents.

Vegan Calcium from Red Marine Algae & Baobab

Vegan Calcium from Red Marine Algae & Baobab Cover
Vegan Calcium – 60 Capsules – Natural Plant Based Combination of Red Marine Algae Seaweed & Baobab Fruit

Silvertown Health Vegan Calcium offers a powerful combination of red marine algae and baobab fruit, both known for their high calcium content. The marine algae, sourced from the clean waters off Iceland, is rich in natural calcium and contains 72 trace minerals, supporting your overall health. The baobab fruit adds even more calcium, surpassing that of milk, along with essential vitamins, minerals, and dietary fibre. Made in the UK to strict quality standards, this supplement provides reliable support for your daily calcium needs without any fillers or binders.

What We Like
Natural plant-based ingredients
Rich in trace minerals
High calcium content
Made in the UK
Suitable for vegans
Buying Guide Image
Editor's Notes

During our fish-free calcium supplement research, we found 12 fish-free calcium supplement products and shortlisted 10 quality products. We collected and analyzed 31,766 customer reviews through our big data system to write the fish-free calcium supplements list. We found that most customers choose fish-free calcium supplements with an average price of £13.77.

The fish-free calcium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of fish-free calcium supplements, including yrhealth, Together, Natures Aid, Igennus Healthcare Nutrition, NGU Next Gen U.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."