من الان خیلی گرسنه ام و نان میخواهم.

It’s optional. Persian often drops the subject pronoun because the verb ending already shows the person.

• (من) الان خیلی گرسنه‌ام و نان می‌خواهم. Including من can add emphasis (like as for me / I), or make the sentence clearer in some contexts.

الان means now / right now. It’s a time adverb and is flexible in position:

• من الان خیلی گرسنه‌ام... (common/neutral)
• من خیلی گرسنه‌ام الان... (also possible, slightly different emphasis)
• الان خیلی گرسنه‌ام... (very natural; dropping من)

خیلی means very / a lot and typically comes right before what it modifies:

• خیلی گرسنه‌ام = I’m very hungry It can also modify verbs, but here it’s modifying the adjective گرسنه. A more formal alternative is بسیار.

گرسنه‌ام = گرسنه (hungry) + ـام (the attached pronoun meaning I am in this kind of expression). So it’s literally hungry-am → I’m hungry.

In standard writing, it’s usually written with a half-space (ZWNJ):

• گرسنه‌ام You may also see گرسنه ام in casual typing, but گرسنه‌ام is the cleaner standard form.

Yes. Both mean I’m hungry:

• گرسنه‌ام (very common, natural)
• گرسنه هستم (a bit more explicit/formal-sounding) You’ll also hear گرسنه‌م in speech (colloquial pronunciation of گرسنه‌ام).

می‌خواهم means I want.

• خواهم is the verb form I want (from خواستن = to want)
• می‌ـ is a common prefix that marks the imperfective aspect; with خواستن, the everyday present meaning is simply I want.

Colloquial spoken form:

• می‌خوام (instead of می‌خواهم)

You’ll often see میخواهم in informal typing, but the standard spelling uses a half-space:

• Standard: می‌خواهم
• Common casual: میخواهم Using the half-space helps readability and is preferred in careful writing.

Both word orders are possible:

• نان می‌خواهم (very common; object comes before the verb)
• می‌خواهم نان (also correct; can sound a bit more “I want BREAD” depending on context)

Persian often places the object before the verb, especially in neutral statements.

را usually marks a definite/specific direct object. Here, نان is understood as some bread in general, so را is often omitted:

• نان می‌خواهم = I want (some) bread.

If you mean a specific bread (the bread you mentioned/pointed to), you can say:

• نان را می‌خواهم = I want the bread (that specific one).

It’s neutral and grammatically fine, but it can sound a bit blunt in a service situation. Politer options:

• Add لطفاً: لطفاً نان می‌خواهم.
• Use a softer request: میشه نان بدین؟ (Could you give (me) bread?)
• Or: ممکنه نان داشته باشید؟ (Do you happen to have bread?)