60,000 IU dose of VItamin D (weekly, monthly) is popular in India
Available as both powder (added to food or drinks) and capsules
AIWO Amazon Nov 2020
CADILA (Vitamin D3-Cholecalciferol) 60000 IU, Pack of 5 x 4 Capsules, Once a Week Amazon India Nov 2020
Appears to be 8 cents per capsule

Amazon India does not ship to US but This does I placed an order Nov 21
Vitamin D Supplements in the Indian Market - 2016 π PDF
Dosing Recommendations by Sharan
0- 10 ng/ml:- 60,000 IU twice a week for 4 weeks followed by once a week for 6 weeks for levels to reach above 30 ng/ml
10 β 20 ng/ml:- 60,000 IU twice a week for 3 weeks followed by once a week for 6 weeks for levels to reach above 30 ng/ml
20 β 26 ng/ml:- 60,000 IU once a week for 10 weeks for levels to reach above 30 ng/ml
26 β 30 ng/ml:- 60,000 IU once a week for 2 weeks for levels to reach above 30 ng/ml or 1000 IU daily
30 β 40 ng/ml:- 60,000 IU once every 4 β 6 weeks lifelong or 1000 IU daily
See also VitaminDWiki
60,000 IU vitamin D weekly with daily Calcium was safe but not enough in the winter β 2012
How often might 50,000 IU vitamin D be taken - results of clinical trials
{include} Taking 50,000 IU once a week proven to fight an additional17 health problems
Vitamin D restoration then monthly was the most popular dosing by trials β Nov 2018
Fortify your immune system quickly by taking your D monthly in a singleΒ day
French National Academy recommended 100,000 IU of Vitamin D to elderly to fight COVID-19 - May 2020
- "...loading dose of 50,000 to 100,000 IU in case of deficiency"
66% of the COVID-19 Clinical trials use >100,000 IU in first week
INDIA
Vitamin D sachets in India β fewer than a third had the stated amount β Nov 2013
COMING OUT STRONGER FROM LOCKDOWN WITH VITAMIN D: A VITAMIN D MOVEMENT INITIATIVE Renu Mahtani and 3 others 13 minutes, June 5 - see her other video below.
"It is not an optional supplement, It is a non negotiable cellular necessity" 40 ng minimum

"Worrying about Vitamin D toxicity is like worrying about drowning when you are dying of thirst" Dr. Cannell
Anecdote: 50,000 IU daily for 10 days given to people who live with person infected by COVID-19 ==> prevented infection
Why India's vitamin D deficiency is grim - 40 pages Feb 2014
Vitamin-D: An Immune Shield Against COVID-19 β India May 21, 2020

