Aug 5, 2025: We have noticed a rubbery smell coming from the dropper bulb that can permeate into the EVOOO. If you noticed this, please reach out to us for a free replacement bottle. Products shipped as of Aug. 4, 2025, have changed back to using the, previously out of stock, glass bottles after with a synthetic rubber (a thermoplastic elastomer called monprene) that should eliminate this issue. See post here.
Apr 11, 2025: We're back with the new bottles! Note that the new bottles are slightly bigger, but we kept the number of drops, IU's per drop, and the total amount of D3 total the same. Sorry for the delay!
Feb 17, 2025: It's best practice to shake the bottle before dispensing drops to ensure an even distribution of vitamin content with each drop. Remember to squeeze the dropper bulb while shaking.
We are currently shipping 1,000 IU/drop bottles with the following info (updated Jun 21, 2025):
(see 10,000 IU/drop after):
Serial Numbers (s/n) & Date Range Sold |
Lab Results & Info |
---|---|
D0317 - D0426 Aug 1, 2025 - onward |
Vitamin D3 Powder:
|
D0427 - onward soon |
Vitamin D3 Powder:
|
We are shipping 10,000 IU/drop Vitamin D3 in EVOOO with the following COA (updated Jun 21, 2025):
Serial Numbers (s/n) & Date Range Sold |
Lab Results & Info |
---|---|
E0013 - onward Jun 20, 2025 - onward |
Vitamin D3 Powder:
|
See all previous batch's COAs. |
Notes (updated Oct 1, 2025):
- Please keep bottle in a cool & dark place and keep the lid tightly closed (don't over-hulk it though).
- Ice pack & insulation option: each time you select this option, we will add 1 ice pack. We can fit 3 bottles with 2 ice packs per insulated pouch. If you only need 1 ice pack, please don't select this option on your other products.
Specifications (updated Aug 4, 2025, changes underlined):
- Ingredients: Organic Extra Virgin Olive Oil (EVOOO), Vitamin D3 powder
- you may see small particles of olives in solution, this is considered normal as part of the unfiltered milling process.
- Excipients: none
- Vitamin D3 Source Material: Lanolin
- County of Origin:
- Vitamin D3: See table above.
- EVOOO: See table above.
- Certificate of Analysis (COA) available online with every order (why the COA? | view COAs)
- Bottled in an amber glass jar for protection from UV light (why amber?)
- Bottle components country of origin: See tables above.
- Bottle dimensions w/ dropper: 1.2 x 4 in (31 x 102 mm) (diameter x height)
- Dropper lid & bulb materials: See tables above.
- Total weight: 2.42 oz (68.62 g)
- Notes on contents per bottle:
- each VD3 1,000 IU/drop bottle contains:
- 880,000 IU of Vitamin D3
23.19824.755 g of EVOOO
- each VD3 10,000 IU/drop bottle contains:
- 8,720,000 IU of Vitamin D3
- 25.215 g of EVOOO
- How did you come up with these ratios?
- There's an extra "buffer" in each bottle to make sure we aren't short changing you:
- 2.3% buffer in the ~1,000 IU/drop bottle
- 1.5% buffer in the ~10,000 IU/drop bottle
- Why 2.3% in the ~1,000 IU/drop bottle? Our scale's resolution is in milligrams, and it's quite difficult to weigh anything under 1 mg.
- There's an extra "buffer" in each bottle to make sure we aren't short changing you:
- By our drop calculations, there are ~860 drops of solution in each bottle. (please disregard the "660 drops" shown in the photos).
- However, drop weights and drop counts varies depending on several factors. Please see the section in our FAQ regarding average drop weights that we currently use. Please also see our post regarding drop counts (for VK2 MK-4) for more details.
- You may only be able to dispense ~850 drops using the dropper, with the remaining left as a film on the glass bottle and dropper (~10 drops). Use a mini scoop to scrape out the rest, or add a bit more EVOO and shake.
Disclosures (updated Dec 20, 2024, updates underlined):
- We use glass containers for storage and packaging, although caps and seals are usually made from silicone, plastic, rubber, or LDPE.
- We use amber colored glass or wrap clear glass to block UV rays from reaching contents.
- We store bulk powder sealed in the freezer.
- We store EVOO at room temperature (74 - 78°F or 23.3 - 25.6°C) away from sunlight.
- We steam sterilize all glass bottles, containers, caps, liners, and utensils before using them for storage or bottling using distilled water.
- We prioritize the material of
packing utensilsall containers and utensils that come into contact with product in this order: glass, ceramic, stainless steel, plastic, aluminum. - Bulk powder we receive is usually stored in an aluminum or plastic container. We immediately weigh and move it to a glass container.
- More information about our process here.
- Please also review our Terms and Conditions before placing an order.
Are we missing something that you'd like to see? Let us know!
19 Reviews Hide Reviews Show Reviews
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Best products on the market
Lark supply has the highest quality supplements on the market. Every other Vitamin D or K product I have tried has irritated my stomach, but all of the Lark products have done the opposite ... actually improving my digestion. I will only buy my vitamins D/K from them from now on. Highly recommend.
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Vitamin D3
Don't leave home without it. Even if you get plenty of sunshine, I think this is a must have supplement for this beautiful and benevolent secosteroid,
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Sunshine in a bottle
Another excellent product by Lark. This man understands EVOO. If you want D3 in EVOO here you go. Excellent job on all fronts from Lark.
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Vitamin D3
Again, Exceptional service, the products are top quality and the prices can't be beat. You won't regret it!
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Good product
After buying larksupply's K2 product when it first came out, I was pleased to see them selling D3 in EVOO at such an affordable price. It's a great product and I also appreciate Richard's way of doing business — honest and transparent. I'll definitely buy more when I eventually run out.
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Vitamin D
love this stuff, very well made.
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Vitamin D3 in Evooo
I tried this product on the recommendation of Danny Roddy and I'm very impressed. It's hard to find D3 in olive oil and I'm very pleased with the product and am happy to support a small business that's so specialised too. We're in the UK and this product arrived quickly with no problems at all.
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Good stuff
Pure product, very transparent about sourcing and standards
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Best brand I have ever tried
This is hands down the best vD I have ever tried. I have tried practically every brand recommended by the RP community and every one has given me a skin condition and digestive issues (and I believe even a subtle tinnitus). I actually stopped taking supplemental vD last year because of this. For some reason I am extremely sensitive to something in vD generally. I barely notice any of these symptoms with Lark Supply even at high doses. To put a rough percentage on it, it has maybe 1/10 the allergenicity of the best other brand I tried (Premier). This effect is so small that I simply would have never noticed an allergenic connection if I started on Lark from the beginning. Please don’t ever change the way you manufacture it. You just found a life-long customer.