| Nutrasal (US) |
Micro D3 Concentrate (M.E.D.S. technology) |
"Sub-Micron (Nano) emulsion", 30–60 nm |
$0.13 (2,000,000 IU per bottle) |
| Dr. Spray's (US) |
Vitamin D3 Spray |
"Nano technology… microdroplets"; not called nanoemulsion (borderline) |
$1.33 (150,000 IU, from 240 sprays) |
| Quicksilver Scientific (US) |
Nanoemulsified D3K2 |
"Nanoemulsion delivery system"; page also says liposomal |
$2.20 (250,000 IU per bottle) |
| Nanoceutical Solutions (US) |
Nano Vitamin D3 |
"Nano" sub-micron particles; not called nanoemulsion (ambiguous) |
$2.66 (150,000 IU per bottle) |
| Nanoceutical Solutions (US) |
Nano Vitamin D3 + K2 |
Same as above (ambiguous) |
$2.66 (150,000 IU per bottle) |
| Axonia / Labomar (Czech Rep., EU) |
Vitamin D3 Axonia Orofast 1000 IU |
"Patented nanoemulsion", 100–200 nm |
$3.17 (150,000 IU, 150 doses) |
| Rheostasis (US) |
Vitamin D3 (Nano Emulsion Spray) |
"Nano Emulsion" in product name |
Not reported (dose and size unpublished) |
| Sunday Natural (Germany) |
Vitamin D3 5000 IU Liposomal (Rapid) Spray |
"Nanoemulsion", 20–100 nm; also called liposomal |
€0.17 (≈892,500 IU, ≈178 sprays) |
| Sunday Natural (Germany) |
Vegan Vitamin D3 5000 IU Rapid Spray |
Same nanoemulsion claim |
€0.23 (1,070,000 IU, 214 sprays) |
| Naturpharma (EU) |
Nano D3 spray 1000 IU |
"Clinically tested nanoemulsion" |
Not reported (sprays per bottle not stated) |
