Yes Homoeopathic Medicine have affinity to cure you properly.

Multi vitamin deficiencies are due to your mismanaged life style and issues with your diet and food. So the first thing you need to do is check if you are having enough sleep i.e. of 8 hr of sound sleep. Make sure you sleep early. Do some light exercise at home. Or in open area like terrace, balcony, garden etc ( try to limit your outdoor stay in pandemic). Eat green vegetables minimum 1 meal. If you are a non vegetarian opt for egg , eat ragi

Reasons for less vitamins in body is not always lack of supply. The major cause is defect in synthesis of vitamin in body from its raw material. So giving excess amount from outside will give temporary relief followed by toxic effects. Now to answer your questions about effective medicine in homeopathy, i will say yes. For the homeopathic medicine to give permanent solution, it is necessary for it to be matching the case, the person and not just the disease. For which we need full details of the case. Direct prescription, or taking homeopathic medicine on allopathic rule will only disappoint you. So better consult and take proper homeopathic treatment.

Yes

You only require supplements that will be enough...you need to continue calcirol sachet 1 each week with milk for 3 month and any vitamin b12 combination daily once for the same period...after 3 month you need to check your levels....even after normal report you have any issue then you can think of medication and consult with me accordingly.

Yes! there are! since homeopathy treats your body as a whole, not just one deficiency. Supplements can provide you temporary benefits and you have to take them regularly but it's more important that your body also starts healing.