Cholecalciferol can be derived from sheep's wool, so those are not vegan, are they?

They do contain cholecalciferol, so no not vegan if that is derived from sheep's wool.

Are theses suitable for vegans

No they are not. Synthetic cholecalciferol can only be made from sheep's wool. The packaging has been changed to reflect that these are not vegan.

Can anyone tell me if the cholecalciferol is derived from algae, please?

No, I think its derived from lanolin

How many micrograms of vitamin D is there in each tablet?

You would normally divide the "units" figure by about 50 to arrive at the figure for micrograms. Thus 4000 units is about 80 micrograms of vitamin D per tablet. This is only a rough estimate. Micrograms are abbreviated to µg, not mg. I read that the normal daily dose for adults is about 800 units. The safe upper limit is about 10,000 units per day. These tablets thus seem to be for a high but safe dose.

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Vitamin D3 4000 IU Micro Tablets - 365 Day Supply, Easy to Swallow High Strength Premium Sunshine Vitamin | Max Strength Vitamin D Supplement, Vegetarian & Vegan Friendly, Made in UK by Grounded

Vitamin D3 4000 IU Micro Tablets - 365 Day Supply, Easy to Swallow High Strength Premium Sunshine Vitamin | Max Strength Vitamin D Supplement, Vegetarian & Vegan Friendly, Made in UK by Grounded

Product ID: 215844043

Details

Brand
G R O U N D E
Flavour
Fish
Item form
Tablets
Primary supplement type
Vitamin D3 D
Product benefits
NOURISHING

⚡4000 IU ultra-potent D3

💊30-50% smaller micro tablets

📅365 tablets = 1 year supply

€ 12.64

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

☀️ Power your year with the ultimate sunshine vitamin!

YEAR ROUND WELLNESS - 365 tablets ensure you never miss a day of immune and bone health
UK GMP CERTIFIED QUALITY - Premium manufacturing standards you can trust for your health
MICRO TABLETS MEGA IMPACT - Compact size for effortless swallowing and faster absorption
MAX STRENGTH SUNSHINE BOOST - 4000 IU of pure Vitamin D3 for superior daily support
VEGAN VEGETARIAN FRIENDLY - Ethically crafted with plant-based ingredients, no compromises

Grounded’s Vitamin D3 Micro Tablets deliver a potent 4000 IU dose in a uniquely small, easy-to-swallow form, providing a full year’s supply of premium, vegan-friendly vitamin D3. Manufactured in the UK under GMP certification, these tablets support bone, teeth, and immune health with superior absorption, making them the smart choice for professionals seeking reliable, high-strength supplementation all year long.

Specifications

ASIN	B08BRSVYFM
Age Range Description	Adult
Age range (description)	Adult
Allergen Information	Contains: Gluten Free
Benefits	NOURISHING
Best Sellers Rank	2,143 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 24 in Vitamin D
Brand	G R O U N D E D COFFEE SCRUB
Brand Name	G R O U N D E D COFFEE SCRUB
Customer Reviews	4.7 out of 5 stars 1,890 Reviews
Dosage Form	Tablet
Flavour	Fish
Item Dimensions	15 x 10 x 0.9 centimetres
Item Form	Tablets
Item Weight	0.06 Kilograms
Item form	Tablets
Manufacturer	Grounded Body
Manufacturer Part Number	4712
Model Name	Vitamin D3 4000
Number of Items	1
Primary Supplement Type	Vitamin D3,Phosphorus,Calcium,Vitamin D
Primary supplement type	Vitamin D3,Phosphorus,Calcium,Vitamin D
Product benefits	NOURISHING
Specific Uses For Product	Bone, Teeth
Unit Count	365.0 count

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